Adding & Subtracting Rational Expressions Test

Question 1 of 5: Simplify each:

$$\frac{8x}{x - 2}- \frac{2}{18x + 18}$$

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$$\frac{145x^2 + 158x + 22}{18(x - 2)(x + 1)}$$

$$\frac{73x^2 + 78x + 11}{9(x - 2)(x + 1)}$$

$$\frac{72x^2 + 80x + 11}{9(x - 2)(x + 1)}$$

$$\frac{3x^2 - 2}{(x - 2)(x + 1)}$$

$$\frac{72x^2 + 71x + 2}{9(x - 2)(x + 1)}$$

Question 2 of 5: Simplify each:

$$\frac{7x}{x - 2}+ \frac{8}{7x + 6}$$

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$$\frac{3(x^2 + 11x - 2)}{4(x - 2)}$$

$$\frac{7x^2 + 64x - 12}{8(x - 2)}$$

$$\frac{64x}{(x - 2)(7x + 6)}$$

$$\frac{13}{(x + 2)(7x - 1)}$$

$$\frac{49x^2 + 50x - 16}{(x - 2)(7x + 6)}$$

Question 3 of 5: Simplify each:

$$\frac{5}{5x + 7}+ \frac{3}{x - 2}$$

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$$\frac{-2x + 9}{2(12x^2 - 2x - 1)}$$

$$\frac{-36x^2 + 5x + 12}{2(3x - 1)(4x + 1)}$$

$$\frac{9}{6x + 5}$$

$$\frac{20x + 11}{(x - 2)(5x + 7)}$$

$$\frac{5}{(x - 2)(4x - 1)}$$

Question 4 of 5: Simplify each:

$$\frac{6x}{x - 1}+ \frac{4x}{x - 2}$$

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$$\frac{10x}{2x - 3}$$

$$\frac{2x(5x - 8)}{(x - 2)(x - 1)}$$

$$\frac{29x^2 + x + 2}{4x(x - 1)}$$

$$\frac{11x}{2x - 3}$$

$$7x$$

Question 5 of 5: Simplify each:

$$\frac{7}{x - 6}- \frac{7x}{x + 4}$$

Finish »

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$$\frac{-7(x^2 - 7x - 4)}{(x - 6)(x + 4)}$$

$$\frac{7x^2 + 45x + 24}{7x(x - 6)}$$

$$\frac{14x^2 + 45x + 24}{7x(x - 6)}$$

$$\frac{(x + 4)(x + 7)}{7x(x - 6)}$$

$$\frac{3x + 5}{2x(x - 6)}$$

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