Question

Which expression is equivalent to

Answer 1

12x⁶+24x⁵-180x⁴/ 30x³+240x²+450x

Explanation:

(x-3)(x+5)=x²+2x-15

12x⁴(x²+2x-15)= 12x⁶+24x⁵-180x⁴

(x+3)(x+5)=x²+8x+15

30x(x²+8x+15)= 30x³+240x²+450x