Question

X(x+3)-x I keep getting x+3 but that’s not an option

Answer 1

This is answer:
x(x+3)-x
or
1x(1x+3)-1x
1x+3x+-1x
=3x
First you multiply and then u would add the like terms.

Answer 2

Hey there!

Answer = $x^{2}+2x$

Explanation:

Let's simplify step-by-step.

x(x + 3) -x

Distribute:

= (x)(x) + (x)(3) + -x

= $x^{2}+3x+-x$

Combine Like Terms:

= $x^{2}+3x+-x$

= $(x^{2})+(3x+-x)$

= $x^{2}+2x$

So therefore, that is how you found your answer: $x^{2}+2x$