Answer:
I think X is 3. Sorry if it's wrong!
Step-by-step explanation:
5 x 3 = 15 x 10 = 150
3x^2 +8x +3
(6x^2 + 8x - 3) - (3x^2 - 6)
Distribute the minus sign
(6x^2 + 8x - 3) - 3x^2 + 6
Combine like terms
20.60000000000
Hope this helps!
Thank you for posting your question at here on Brainly.
-Charlie
1) take x*x
2) x*-6
3)6*x
4)6*-6
answer x^2-36
