Question

from the sum of 5a 2 - 3a + 2 and - 8a2 +5a+6 , subtract a2+7a-4 ?​

Answer 1

Answer:

Sum of 5a

2

−3a+2+(−8a

2

+5a+6)

=5a

2

−3a+2−8a

2

+5a+6

Sum=−3a

2

+2a+8

Subtract a

2

+7a−4

=−3a

2

+2a+8−(a

2

+7a−4)

=−3a

2

+2a+8−a

2

−7a+4

=−4a

2

−5a+12

Answer 2

Answer:

$=5a^{2}-3a+2+(-8a^{2} +5a+6)-(a^{2}+7a-4)\\=-3a^{2}+2a+8-a^{2} -7a+4\\=-4a^{2} -5a+12$

Step-by-step explanation: