Question

Factorise x^2-12x+90 plz fast as possible

Answer 1

Answer:

x^2 -12x +90

Now, a=1, b= -12, c=90

= {-(b)+- (✓b^2-4ac)}. / 2a

= {- (-12)+-(✓ [-12]^2-4×1×90)}. /2×1

= { 12+-(✓144-360)} /2

= {12+-(✓-216)} /2. Ans

please follow me