Question

How do you solve `2(x² – 66) = -13x`?

Answer 1

`x=11/2 or x =-12`

Explanation:

`2(x^2-66)= -13x or 2x^2+13x-132 =0 or 2x^2+24x-11x-132=0 or 2x(x+12)-11(x+12)=0 or (2x-11)(x+12)=0 :. (2x-11)=0 or (x+12)=0:. x=11/2 or x =-12`[Ans]