Question

1. Solve the following quadratic equations by factorisation.
(2) x² + x - 20 = 0​

Answer 1

Step-by-step explanation:

by splitting middle term method

2x^2+5x-4x-20=0

2x(x-5)-4(x-5)=0

(2x-4)(x-5)=0

X=2 and X=5