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Chapter 5: Q. 266 (page 538)

In the following exercises , simplify the equation s鈥�鈭�鈥�7s鈥�+鈥�9.

Short Answer

Expert verified

The simplified expression is s2+2s-63.

Step by step solution

01

Step 1. Given Information.

The expression is s鈥�鈭�鈥�7s鈥�+鈥�9 .

02

Step 2. Simplify given equation.

Simplifying s鈥�鈭�鈥�7s鈥�+鈥�9

Applying Foil Method:-

a+bc+d=ac+ad+bc+bds-7s+9=ss+s路鈥�9-7s-7路鈥�9ss+s路鈥�9-7s-7路鈥�9=ss+s路鈥�9-7s-7路鈥�9ss+s路鈥�9-7s-7路鈥�9=s2+2s-63

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