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Question 1 of 5: Perform each Indicated Operation
$$\frac{-x^2+10x-21}{7x^2-21x}\cdot\frac{7x^2+70x}{3x-21}$$ $$\frac{-x^2+10x-21}{7x^2-21x}\hspace{.25em}\cdot$$$$\frac{7x^2+70x}{3x-21}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$\frac{x+7}{7x}$$
B
$$\frac{x+3}{x+7}$$
C
$$\frac{-x-10}{3}$$
D
$$\frac{-x-7}{7x}$$
E
$$\frac{x+10}{x+3}$$
Question 2 of 5: Perform each Indicated Operation
$$\frac{x^2-4x+3}{x^2-12x+27}\cdot\frac{x^2-13x+36}{2x^3-2x^2}$$ $$\frac{x^2-4x+3}{x^2-12x+27}\hspace{.25em}\cdot$$$$\frac{x^2-13x+36}{2x^3-2x^2}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$\frac{x-16}{4x^2}$$
B
$$\frac{x-8}{4x^2}$$
C
$$\frac{x+3}{x-3}$$
D
$$\frac{x-4}{2x^2}$$
E
$$\frac{x-9}{12x^2-13}$$
Question 3 of 5: Perform each Indicated Operation
$$\frac{7x^2-21x-28}{14x+14}\cdot\frac{15x^2-12x}{5x-4}$$ $$\frac{7x^2-21x-28}{14x+14}\hspace{.25em}\cdot$$$$\frac{15x^2-12x}{5x-4}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$\frac{3x(x-4)}{2}$$
B
$$\frac{2x(x-7)}{4}$$
C
$$\frac{5x(x-15)}{x-1}$$
D
$$\frac{x(x-7)}{x-4}$$
E
$$\frac{x^2(x-7)}{3(5x-4)}$$
Question 4 of 5: Perform each Indicated Operation
$$\frac{6x^2-7x-49}{21x^3+49x^2}\div\frac{16x^2-56x}{7x^3+42x^2}$$ $$\frac{6x^2-7x-49}{21x^3+49x^2}\hspace{.25em}\div$$$$\frac{16x^2-56x}{7x^3+42x^2}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$\frac{x+7}{x^2-7x}$$
B
$$\frac{x(x-4)}{x-8}$$
C
$$\frac{x-4}{x+8}$$
D
$$\frac{x+2}{6x}$$
E
$$\frac{x+6}{8x}$$
Question 5 of 5: Perform each Indicated Operation
$$\frac{15x^2-29x+12}{5x^2-63x+36}\div\frac{3x-4}{7x-84}$$ $$\frac{15x^2-29x+12}{5x^2-63x+36}\hspace{.25em}\div$$$$\frac{3x-4}{7x-84}$$
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$\frac{x(x-7)}{5(5x-6)}$$
B
$$\frac{x-7}{x-12}$$
C
$$\frac{5x-6}{3x-4}$$
D
$$\frac{7}{3x-4}$$
E
$$7$$

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