Question

x2 - X-20 =
Solve fast​

Answer 1

Answer:

x is 5 and (-4)

Step-by-step explanation:

x²-5x+4x-20=0

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

x=(- 4)

x=5

Answer 2

${x}^{2} - x - 20 \\ \\ = {x}^{2} - 5x + 4x - 20 \\ \\ = x(x - 5) + 4(x - 5) \\ \\ = (x - 5)(x + 4)$