Question

x^2-x-20=0 help real quick please

Answer 1

@Callisto

Answer 2

Either factorize the expression or use quadratic formula

Answer 3

First approach: Factorization
x^2 -x-20 = 0
x^2 - 5x +4x - 20 = 0
Factorize the left side of the equation, then equate each factor with 0 and solve x

Answer 4

how di i factorize it again wouldnt it be like (x-1)^2

Answer 5

No, it will not be in the form of perfect square.

Answer 6

oh ok will you guide me?

Answer 7

First split the middle term:
x^2 - 5x +4x - 20
Next factorize the first two and the last two terms. What will you get?

Answer 8

how did you get that because the middle term is just x

Answer 9

nvr mind

Answer 10

-x = -5x+4x