Question

factoring polynomials
21^2+31x+4

Answer 1

What do you want to do with this?

Answer 2

factor

Answer 3

First, what is 21^2?

Answer 4

You can put it into a calculator if you want. It's the same as 21*21

Answer 5

3x+444

Answer 6

its 3x+444?

Answer 7

No, it actually isn't. The idea behind openstudy is that we help you find the answer, not give it to you.

Answer 8

ok so if its not then 21x21 is 441 then what?

Answer 9

Okay, since 31 is a prime number, we can't factor it. So, can you evenly divide 441 by 31(with no remainder)?

Answer 10

no its 14.226

Answer 11

Right, that .226 means it doesn't divide evenly.

Answer 12

So, we get 441 + 31x. This is because it is irreducible. Only one term has x, and only 1 term is divisible by the smallest number 31.

Answer 13

Ahh...made the mistake twice. We get 445 + 31x when you add the 4.

Answer 14

oh i c:)