Question

5(x - 2) * (2 + x) - 3(x - 3) = 5x * (x - 1)

Answer 1

$5(x-2)(2+x)-3(x-3)=5x(x-1)\\5(x-2)(x+2)-3x+9=5x^2-5x\\5(x^2-4)-3x+9=5x^2-5x\\5x^2-20-3x+9=5x^2-5x\\-20-3x+9=-5x\\-11-3x=-5x\\-3x+5x=11\\2x=11\\x=\frac{11}{2}=5\frac{1}{2}=5,5$