Question

Hii can i ask something about math
(X–6)²= 2x– 5

Answer 1

(a+b)² = a²+b²+2ab

so,

(x-6)²=x²-6²-2*X*6

x²-12-12x

x²-12x-12=2x-5

x²-12x-2x=-5+12

x²-14x=7

x²-14x-7=0