3. (x2 + 4x) + (6x2+2x) =
Solution:​


Sagot :

Answer:

7x^2+6x

Step-by-step explanation:

(x^2 + 4x) + (6x^2+2x)

Rewrite or remove the parenthesis

=x^2+4x+6x^2+2x

Collect like terms (the x^2 added to 6x^2)

=7x^2+4x+2x

Collect like terms (the 4x added to 2x)

=7x^2+6x