Answer
${(x^{2}+1)}^\frac{-1}{2}\times(x+5+3x^{2})$
Work Step by Step
${(x^{2}+1)}^\frac{-1}{2}\times(x+2)+3{(x^{2}+1)}^\frac{1}{2}$
1. Factor out ${(x^{2}+1)}^\frac{-1}{2}$ from the expression:
${(x^{2}+1)}^\frac{-1}{2}\times(x+2+3(x^{2}+1))$
2. Distribute 3 through the parenthesis:
${(x^{2}+1)}^\frac{-1}{2}\times(x+2+3x^{2}+3)$
3. Combine like terms to get your answer:
${(x^{2}+1)}^\frac{-1}{2}\times(x+5+3x^{2})$