Question

x²- 25x+ 156= 0
Solve by formula method

Answer 1

Step-by-step explanation:

• x^2-25x+156=0
• x^2-13x-12x+156=0
• take x as common
• x(x-13)-12(x-13)=0
• x-13is common.
• so,( x-12)(x-13)
• x=12,13