question\nperform the operation.\n$(x^{2}+2x + 5)-(-2x^{2}+6)$

question\nperform the operation.\n$(x^{2}+2x + 5)-(-2x^{2}+6)$
Answer
Explanation:
Step1: Remove parentheses
$(x^{2}+2x + 5)-(-2x^{2}+6)=x^{2}+2x + 5 + 2x^{2}-6$
Step2: Combine like - terms
$(x^{2}+2x^{2})+2x+(5 - 6)=3x^{2}+2x - 1$
Answer:
$3x^{2}+2x - 1$