# Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set - Page 704: 42

-13$y^{2}$+y

#### Work Step by Step

The phrase, "Subtract (8$y^{2}$-$\frac{7}{10}$y) from (-5$y^{2}$+$\frac{3}{10}$y)." can be translated to the expression: (-5$y^{2}$+$\frac{3}{10}$y)-(8$y^{2}$-$\frac{7}{10}$y) Simplify: (-5$y^{2}$+$\frac{3}{10}$y)-(8$y^{2}$-$\frac{7}{10}$y) =-5$y^{2}$+$\frac{3}{10}$y-8$y^{2}$+$\frac{7}{10}$y =-5$y^{2}$-8$y^{2}$+$\frac{3}{10}$y+$\frac{7}{10}$y =-13$y^{2}$+$\frac{10}{10}$y =-13$y^{2}$+y

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