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Step-4

Title: Find the product of polynomials.

Grade: 7-b Lesson: S4-L10

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

Lesson Steps

Steps	Problem	Solution
1	Find the product of polynomials.	\$(x − 1)(9 − x)\$
2	After Multiplication	\$ 9x - x^2 - 9 + x \$
3	After simplification	\$ -x^2 + 10x - 9 \$
4	Answer	D = \$ -x^2 + 10x - 9 \$

Steps

Problem

Solution

Find the product of polynomials.

\$(x − 1)(9 − x)\$

After Multiplication

\$ 9x - x^2 - 9 + x \$

After simplification

\$ -x^2 + 10x - 9 \$

Answer

D = \$ -x^2 + 10x - 9 \$