Question

Subtract the quantity 12a

2

−8a+4 from the quantity 12−7a

2

Answer 1

11a-8

Explanation:

Please Note that i assume 12a and 2 are positive.

(12a+2−8a+4)-(12−7a+2)

=12a+2-8a+4-12+7a-2

=12a-8a+7a+2+4-12-2

=11a-8