Question

Subtract the sum of (8a-6a square +9)and(-10a-8+8asquare) from -3

Answer 1

-3-(8a-6a^2+9+-10a-8+8a^2)
-3-(2a+2a^2+1)
-4-2a-2a^2

Answer 2

Step-by-step explanation:

Untagged

Subtract the sum of (8a−6a

2

+9) and (−10a−8+8a

2

) from −3 is _________.

Correct option is

C

−2a

2

+2a−4

−3−[(8a−6a

2

+9)+(−10a−8+8a

2

)]

=−3−[8a−6a

2

+9+−10a−8+8a

2

]

=−3−[(8a−10a)+(−6a

2

+8a

2

)+(9−8)]

=−3−[−2a+2a

2

+1]

=−3+2a−2a

2

−1

=+2a−2a

2

−4

=−2a

2

+2a−4