Question

3)Solve the following quadratic equation by factorisation method: x²+x-20=0

Answer 1

Answer:

ned said you can be brave only when youre afraid (Punctuate the sentence)

Answer 2

Answer:

Step-by-step explanation:

$x^{2}$ + x - 20 = 0

$x^{2}$ - 5x + 4x -20 = 0

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

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

Now either (x-5) =0 or (x+4) = 0

s0, x = 5 , -4