Question

multiply
(2x+5)(2x+5)

Answer 1

nikkiem1 please give us an example of hint of what variable x is.

Answer 2

4x^2 +14x+25

Answer 3

there is no hint of the variable that is where i was lost too

Answer 4

Qed so the answer then would be 56x+25 right?

Answer 5

i mean 30x+25???

Answer 6

(a+b)^2=a^2+2ab+b^2
4x^2 + 20x + 25

Answer 7

the product is 4x^2+20x+25

Answer 8

so then what would be the answer i mean what do i do times 4x to the 2 power by 20 then add 25

Answer 9

use FOIL method

Answer 10

what is that

Answer 11

multiply the expressions, first term of both expressions, then outer terms, then inner terms, and last terms.

Answer 12

Look there
http://www.freemathhelp.com/using-foil.html

Answer 13

so it looks like this (2x)(2x)+(5)(2x)+(5)(2x)+(5)(5)

Answer 14

i times 4x to the 2nd power by 20 i got 320 am i right so far

Answer 15

2x*2x=4x^2

Answer 16

so your the answer then would be 49 right?

Answer 17

you don't need to expand the answer, you just need to multiply the expressions. do you get it???

Answer 18

im so lost

Answer 19

so then it would be 16

Answer 20

what grade are you in??

Answer 21

Your final answer is 4x^2 + 20x + 25
Look at both link. It will help you to understand what you are doing.
http://www.coolmath.com/prealgebra/15-intro-to-polynomials/06-polynomials-multiplying-foil-01-108.htm

Answer 22

that seem to help a little thank you

Answer 23

You are welcome. It really will help you to practice FOIL on your own. After spending 10 minutes on that you will be able to answer most of you today's questions by yourself.