Q11. - Algebra 2

Question

Simplify $(y-10)(y+7)$ .

Step-by-Step Solution

Answer

The simplified value of expression is $(y-10)(y+7)=y^2-3y-70$ .

Step 1. Write down the given expression.

The given expression to simplify is$(y-10)(y+7)$  .

Step 2. Simplify the given expression.

Simplifying$(y-10)(y+7)$   gives,

$\begin{array}{c}(y-10)(y+7)=y(y+7)-10(y+7)\\ =y^2+7y-10y-70\\ =y^2-3y-70\end{array}$

Step 3. Conclusion.

The simplified value of expression is $(y-10)(y+7)=y^2-3y-70$ .