Question

8х^3у^4*(-6х^2у^5)^2

Answer 1

8x³y⁴ * (- 6x²y⁵)² = 8x³y⁴ * ( 36 x⁴y¹⁰) =  288x⁷y¹⁴

Answer 2

$8x^3y^4*(-6x^2y^5)^2=36*8*x^3*y^4*x^{2*2}*y^{5*2}=288x^{3+4}*y^{4+10}=\=288x^7y^{14}$