Algebra: Basic Operations and Simplification
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Questions and Answers

Add 7$x^2$ + 11x + 8 and 3$x^2$ - 6x - 7.

10$x^2$ + 5x + 1

Find the product of 5$x^2$y and -3$x^3$y$^2$.

-15$x^5$y$^3$

Find the product of a$^4$b$^2$ and (2a$^2$b)$^3$.

8a$^{10}$b$^4$

Find the product of 3x and 7x + 2.

<p>21$x^2$ + 6x</p> Signup and view all the answers

Find the product of -5$m^2$ and 4$m^2$ - 2m + 7.

<p>-20$m^4$ + 10$m^3$ - 35$m^2$</p> Signup and view all the answers

Simplify: 5$x^3$ + 6$x^2$ + 3x - (-2$x^3$ + 7$x^2$ + 3x - 7)

<p>7$x^3$ - x$^2$ + 6</p> Signup and view all the answers

Add 3x(7$x^2$ - 5x + 3) and 2(x$^3$ - 4$x^2$ + 5).

<p>2$x^3$ + 19$x^2$ - 11x + 15</p> Signup and view all the answers

Multiply 2a + 3b by 7a - 5b.

<p>14$a^2$ + ab - 15$b^2$</p> Signup and view all the answers

Multiply (5$a^2$ - 2b) by (2$a^2$ - 3b).

<p>10$a^4$ - 21$a^2$b + 6$b^2$</p> Signup and view all the answers

Find the Square of 9x - 7xy.

<p>81$x^2$ - 126$^2$y + 49$^2$y$^2$</p> Signup and view all the answers

Simplify: a$^2$(b$^2$ - c$^2$) + b$^2$(c$^2$ - a$^2$) + c$^2$(a$^2$ - b$^2$)

<p>0</p> Signup and view all the answers

Subtract 4p$^2$q - 3pq + 5pq$^2$ - 8p + 7q - 10 from 18 - 3p - 11q + 5pq - 2pq$^2$ + 5p$^2$q

<p>14p$^2$q - 9pq - 5pq$^2$ + 5p + 4q + 28</p> Signup and view all the answers

Use the identity (x + a)(x + b) = x$^2$ + (a + b)x + ab to find the product of (4x + 5)(4x - 1).

<p>16$x^2$ + 19x - 5</p> Signup and view all the answers

Use the identity (x + a)(x + b) = x$^2$ + (a + b)x + ab to find the product of (2x + 5y)(2x + 3y).

<p>4$x^2$ + 16xy + 15$y^2$</p> Signup and view all the answers

Study Notes

Algebraic Expressions and Identities

Section A: Basic Operations

  • Adding algebraic expressions: 7x² + 11x + 8 and 3x² - 6x - 7
  • Multiplying algebraic expressions: 5x²y and -3x³y², a4b² and (2a²b)³
  • Multiplying algebraic expressions: 3x and 7x + 2, -5m² and 4m² - 2m + 7

Section B: Simplification and Expansion

  • Simplifying expressions: 5x³ + 6x² + 3x − (−2x³ + 7x² + 3x - 7)
  • Adding algebraic expressions: 3x(7x2 – 5x+3) and 2(x3 – 4x2 + 5)
  • Multiplying algebraic expressions: 2a + 3b by 7a -5b, (5a² - 2b) by (2a² - 3b)
  • Finding the square of an algebraic expression: (9x – 7xy)²

Section C: Advanced Operations and Identities

  • Simplifying expressions: a²(b² - c²) + b²(c² - a²) + c²(a² - b²)
  • Subtracting algebraic expressions: 4p2q – 3pq + 5pq2 – 8p + 7q – 10 from 18 – 3p – 11q + 5pq – 2pq2 + 5p2q
  • Using identities to find products: (x + a) (x + b) = x2 + (a + b) x + ab, (4x + 5) (4x – 1), (2x + 5y) (2x + 3y)
  • Using identities to find products: (2y + 5) (2y + 5), (2a – 7) (2a – 7)
  • Simplifying and evaluating an expression: 5a2(a – 2) – 2a3(a + 4) – 5a(a – 2) for a = -1

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Description

This quiz covers the basics of algebra, including adding and multiplying algebraic expressions, and simplifying and expanding expressions

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