Question

Multiply (2x-3)(8x+9) then simplify if possible

Answer 1

answer is 126 and x=-1.5

Explanation:

subtract 9 to both sides

(2x-12)•8x

subtract 2x from both sides

-12•8x

divide by 4

-3•2x

divide by 2

-1.5•x

x=-1.5

([2•-1.5]-3)•([8•-1.5]+9)

(-3-3)•(-12+9)

-6•-21=126