Question

Factor.



4x2 + 10x









A.

2x2(2x + 5)








B.

x(2x + 5)








C.

4x(x + 5)








D.

2x(2x + 5)

Answer 1

Any ideas?

Answer 2

well I think its A but idk

Answer 3

First of all when you type: 4x2 + 10x, do you mean 4x^2 + 10x which means: $$ 4x^2 + 10x$$

Answer 4

yeah 4x^2 + 10x

Answer 5

OK, so let's look for "common" factors ...

Answer 6

$$4x^2 + 10x =2*2x^2 + 2*5x $$

Answer 7

What do the two terms on the right hand side have in common?

Answer 8

I don't really know .. I never got to study this cause my teacher skipped it and now I have a huge test about it ...

Answer 9

What do they share?

Answer 10

The share the 2 and an x, right?

Answer 11

$$\Huge 4x^2 + 10x =2*2x^2+2*5x$$