Question

-12a(a-d)+2d(2a-3d)= please assist

Answer 1

Answer:

Step-by-step explanation:

-12a²+12ad+4ad-6d²

-12a²-6d²+16ad

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Answer 2

Answer:

-12a^2+12ad+4ad-6d^2

=-12^2+6ad-6d^2

by using formula (a^2+b^2)

=-6ad(12+6).

=-6ad(18)

=-108ad

therefore a=108 &d=108