• Simplify
    • itbpF50.75pt21.75pt6ptex3.wmfSimplify a + 7b - $\left(\vphantom{ 2a+b}\right.$2a + b$\left.\vphantom{ 2a+b}\right)$
    • itbpF50.75pt21.75pt6ptex3.wmfSimplify $\left(\vphantom{ x^{2}-6x+\left( \frac{-6}{2}\right) ^{2}}\right.$x2 -6x + $\left(\vphantom{ \frac{-6}{2}}\right.$${\frac{{-6}}{{2}}}$$\left.\vphantom{ \frac{-6}{2}}\right)^{{2}}_{}$$\left.\vphantom{ x^{2}-6x+\left( \frac{-6}{2}\right) ^{2}}\right)$ + $\left(\vphantom{ y^{2}+10y\left( \frac{10}{2}\right) ^{2}}\right.$y2 +10y$\left(\vphantom{ \frac{10}{2}}\right.$${\frac{{10}}{{2}}}$$\left.\vphantom{ \frac{10}{2}}\right)^{{2}}_{}$$\left.\vphantom{ y^{2}+10y\left( \frac{10}{2}\right) ^{2}}\right)$
    • Simplify these expressions