Question

5(a-3)^2 -2(a-3) =24

Answer 1

Step-by-step explanation:

let a-3 be x

5x^2-2x=24

5x^2-2x-24=0

5x^2-(12-10)x-24=0

5x^2-12x+10x-24=0

x(5x-12)+2(5x-12)=0

(x+2)(5x-12)=0

x=-2,12/5.