Question

Which are the roots of the quadratic equation x2 + x – 20 = 0 ?

A) ( 4,-5 )
B) ( -5,4 )
C) ( -4,-5 )
D) ( 4,5 )​

Answer 1

Answer:

x=4

x=-5

Step-by-step explanation:

hope it's help you

please mark me brainlist answer

Answer 2

Answer:

The answer is B. (-5,4)

Step-by-step explanation:

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

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

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

which means,x-4=0 or x+5=0

Therefore,The roots are x=4 or x=-5