Factor the following trinomial expression by a method of your choice: 3x2 + 7x-10. a. (3x + 2)(x - 5) b. (3x + 5)(x - 2) c. (3x + 1)(x - 10) d. (3x + 10)(x - 1)

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asked Feb 6, 2016 60.3k views

2 votes

Factor the following trinomial expression by a method of your choice: 3x2 + 7x-10.

a. (3x + 2)(x - 5)
b. (3x + 5)(x - 2)
c. (3x + 1)(x - 10)
d. (3x + 10)(x - 1)

Mathematics
high-school

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by Lear

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2 Answers

5 votes

Answer:b

Explanation:

Nxn answered Feb 8, 2016

by Nxn

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4 votes

3x² + 7x - 10
3x² - 3x + 10x - 10
3x(x) - 3x(1) + 10(x) - 10(1)
3x(x - 1) + 10(x - 1)
(3x + 10)(x - 1)

The answer is D.

Marcel Bochtler answered Feb 13, 2016

by Marcel Bochtler

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