kynleigh0831 kynleigh0831

05-06-2019
Mathematics

contestada

subtract: (2x^2-7x+5)-(-6x^2-4x-2)

A. -4x^2-11x+3
B. -4x^2-5x+3
C. 8x^2-13x+7
D. 8x^2-3x+7

Respuesta :

05-06-2019

Answer:

[tex]\large\boxed{D.\ 8x^2-3x+7}[/tex]

Step-by-step explanation:

[tex](2x^2-7x+5)-(-6x^2-4x-2)\\\\=2x^2-7x+5-(-6x^2)-(-4x)-(-2)\\\\=2x^2-7x+5+6x^2+4x+2\qquad\text{combine like terms}\\\\=(2x^2+6x^2)+(-7x+4x)+(5+2)\\\\=8x^2-3x+7[/tex]

Answer Link

thatsocaroline thatsocaroline

06-06-2019

Answer:

8x^2-3x+7

Step-by-step explanation:

By simplifying the expression.

Answer Link

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