Skeletorrrrr Skeletorrrrr

23-03-2018
Mathematics

contestada

which expression is equvialent to 2x2 + (4x-6x2) + 9 - (6x+3)?
A -4x2 - 2x + 12
B -4x2 - 2x + 6
C -10x + 6
D 18x + 12

Respuesta :

garydesir1 garydesir1

23-03-2018

Hello there!

The correct answer is option B

2x² + (4x - 6x²) + 9 - (6x + 3)

Just take them out of the parentheses

2x² + 4x - 6x² + 9 -6x - 3

Combine like terms

2x² - 6x² + 4x - 6x - 3 + 9

= -4x² - 2x + 6

Thus,

The correct answer is option B

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