Question

Factor the expression below.

25x2 + 20x + 4

A. (5x + 2)(5x + 2)
B. (5x - 2)(5x - 2)
C. (25x - 2)(x - 2)
D. (25x + 2)(x + 2)

Answer 1

Hey!

Answer 2

Are you familiar with the factoring by grouping method?

Answer 3

@helpapex

Answer 4

no, not really

Answer 5

The first thing you have to do is is find two numbers that multiply to 100 and add up to 20

Answer 6

10

Answer 7

yup, now we can expand the equation into X^25+10x+10x+4

Answer 8

is it B?

Answer 9

i mean A?

Answer 10

Lets look at A, (5x + 2)(5x + 2). What does it expand to?

Answer 11

Yup the answer is a

Answer 12

Good job

Answer 13

thanks

Answer 14

for all of your help

Answer 15

yw