Answer:
Its a,c,d
Step-by-step explanation:
I just answered and got it wrong from the first guy to answer this question. it showed the correct answers on my screen after getting it wrong so the correct answers are a,c,d.
8 - 7x^2 + 3 = 4x^2 - 1
8+3-7x^2 = 4x^2-1
11-7x^2 = 4x^2-1
B. Commutative property of addition
We can swap numbers and obtain the same results.
In this case, we swapped 8+3 and added them.
Answer:
Step-by-step explanation:
-5<x<4. The 3rd answer.