# How do you factor #7x^2+5x-2#?

##### 2 Answers

#### Answer:

#### Explanation:

-2 is

#### Answer:

#### Explanation:

Multiply the coefficient by the constant:

Replace it as the new constant:

Find the numbers:

So these work.

Substitute these in:

Factorise the first two expressions:

Factorise the next two expressions:

Therefore we get:

One bracket is

We can always check by expanding:

Which is the original, so we are correct.