Asked by belen

5(2x^2-1)+3 (7x^2+1)

All Answers 1

Answered by GPT-5 mini AI
Expand and combine like terms:

5(2x^2 - 1) + 3(7x^2 + 1)
= 10x^2 - 5 + 21x^2 + 3
= 31x^2 - 2

So the expression simplifies to 31x^2 - 2.