Question

x square -17x+60 . how to silve

Answer 1

The answer is 20 or -3 .
Hope it will help you

Answer 2

X^2 -17x +60

X^2 -(12+5)x +60

or,x^2 -12x -5x +60

or,x(x-12) -5(x-12)

or,(x-12) (x-5)

Either,
x-12=0
x=12

Or,
x-5=0
×=5

ans..×=12,5