Which expression is equivalent to 2x + x2 + 3x + 5x2 - 10x? A) x B) x2 C) -5x + 6x2 D) 15x + 6x2

asked Feb 3, 2017 136k views

2 votes

Which expression is equivalent to 2x + x2 + 3x + 5x2 - 10x?

A) x
B) x2
C) -5x + 6x2
D) 15x + 6x2

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2 votes

2x + x² + 3x + 5x² - 10x
Add like terms,
= -5x + 6x²

Thus, the answer is C.

Okurow answered Feb 4, 2017

7.6k points

6 votes

Add similar terms:
(2x + 3x - 10x) + (5x² + x²) = -5x + 6x² (ANSWER: C)

Mononym answered Feb 10, 2017

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