Question

solve the quadratic equation X2 -13XX+30=0 BY factorisation method

Answer 1

x2-13x+30=0
=> x2-10x-3x+30=0
x(x-10)-3(x-10)
(x-10)(x-3)
x=10 & x=3
Roots are 10 and 3.

Answer 2

x²-13x+30 =0

x²-10x-3x+30 = 0

x(x-10) -3(x-10)=0

(x-10)(x-3)=0

x= 10 or3