Question

Factorise the following quadric equation:
x² + x - 20 = 0​

Answer 1

Answer:

x²+x-20=0

x²+5x-4x-20=0

x(x+5)-4(x+5)=0

(x+5)(x-4)=0

x=4,5 ANSWER

Answer 2

x² + x - 20 = 0

x² + 5x-4x - 20 = 0

x (x+5)-4 (x+5)=0

(x-4)(x+5)=0