Question

Find the product of (x + 7)2.

x2 − 14x + 49

x2 + 14x + 49

x2 − 49

x2 + 49

Answer 1

Hint: use the formula (A+B)^2 = A^2+2AB+B^2

Answer 2

im trying to get awnsers not ways how to do it.

Answer 3

Well only trying to help, not just give you the answers every time. That's not the best way to learn.

Answer 4

i just got a few questions to do then i can have a good grade and not fail my online school please :/

Answer 5

alright, why not try working it out and I'll help you along the way?

Answer 6

first off, what does (x+7)^2 mean?

Answer 7

because i cant even do the very easyist of alg ... lol umm idk o.o

Answer 8

Anything squared is equal to that thing multiplied by itself, so x^2 = x*x and (x+7)^2 = (x+7)(x+7)

Answer 9

Now we FOIL out (x+7)(x+7)


(x+7)(x+7)

x*x + x*7 + 7*x + 7*7

x^2+7x+7x + 49

x^2+14x+49


So (x+7)(x+7) = x^2+14x+49


Practice with a few to get a better grasp on how FOILing works.