## Podcast Beta

## Questions and Answers

What is the value of a in the expression a + a + a - a × a × a?

What is the value of x in the equation -3 + 2x + σ = 3x × 2x - 12x ÷ 3 + 2?

What is the value of cb - 3twt3xxx - 2 × 2 in the equation cb - 3twt3xxx - 2 × 2 = 3t20 - 2?

What is the value of A when x = -3 and y = 5 in the equation A = 2x + 2t + 20?

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What is the value of x in the equation 4xtbx - 2 = 3t20 - 2 × 2?

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What is the value of Gx in the equation Gx = 2 - 3twt3xxx - 2 × 2?

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What is the value of σ in the equation -3 + 2x + σ = 3x × 2x - 12x ÷ 3 + 2?

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What is the value of Δ in the equation a + a + a - a × a × a = Δ?

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What is the value of x in the equation x ≥ 1 - 2/zotbx?

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What is the value of cb in the equation cb - 3twt3xxx - 2 × 2 = 3t20 - 2?

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## Study Notes

### Solving Equations

- The equation 3[2 - (1 - x)] = x - 1 has a solution of x = -2.
- The equation x = -2(x + 6) has a solution of x = 2.

### Simplifying Expressions

- The expression a + a + a - a × a × a simplifies to 2a.
- The expression -3 + 2x + σ simplifies to 2x - 3 + σ.
- The expression 3x × 2x - 12x ÷ 3 + 2 simplifies to 6x^2 - 4x + 2.

### Inequalities

- The inequality 2x - 3t ≥ 20 has a solution of x ≥ (20 + 3t) / 2.
- The inequality z/(2x - 3) ≥ (2x + 1) has a solution of x ≥ (z + 6) / 4.

### Values of Variables

- The value of A = x^2 + 2y when x = -3 and y = 5 is A = 9 + 50 = 59.

### Statistics

- Among 150 MP3 files stored in a phone, the proportion of files is not specified.

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## Description

Test your knowledge of quadratic equations in algebra with this short quiz. Solve for x and more!