Question

Identify the factors of x^2 − 8x − 20.
(x + 4)(x − 5)
(x + 5)(x − 4)
(x − 10)(x + 2)
(x − 2)(x + 10)

Answer 1

C

Answer 2

c is correct

Answer 3

can u explain ?

Answer 4

yup

Answer 5

u have constant 20 in the equation..try to decompose it using factors to get middle cofficient that is -8

Answer 6

after that replace the middle term by 2x and -10x ......following this try to take the common from the resulting equation