Step-4

Title: Simplify

Grade: 7-b Lesson: S4-L4

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Steps Problem Solution

1

Simplify

\$ (9x + 10y)(9x - 10y) \times 1/((9x + 10y)) \$

2

Canceling similar terms

\$ \cancel((9x + 10y))(9x - 10y) \times 1/\cancel((9x + 10y))\$

3

After cancelation

\$ (9x - 10y) \$

4

Answer

C = \$ 9x - 10y \$


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