Question

5x2+7x+2 factor as a polynomial in descending order
help!!!!!!!!!!!!!!

Answer 1

There is no common factor we can factor out.

Here we have again a trinomial in which the first term is not just x^2, but 5x^2.
We use the ac method.
ac = 5 * 2 = 10
Now we need two factors of 10 that add to 7.

Answer 2

5,2

Answer 3

Good.
Now we break up the middle term:

\(5x^2 + 2x + 5x + 2 \)

Now we factor by parts:

\(x(5x + 2) + 1(5x + 2) \)

Answer 4

Now we factor out the commn factor:

\( (5x + 2)(x + 1) \)

Answer 5

what about the factorization of -2x3+2x2+12x

Answer 6

Pls start a new post for each problem.