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Title: Simplify the expression by using algebric identities

Grade: 9-a Lesson: S3-L2

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

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	Simplify the expression: \$ (3+2x^2) - (4x^2+5+6x^5) - (6-7x-3x^5) \$
2	Hint	After Simplification	\$ 3+2x^2 - 4x^2-5-6x^5 - 6+7x+3x^5) \$
3	Step	Grouping like terms together we get	\$ (-6x^5 + 3x^5) + (2x^2 - 4x^2) + 7x + (3 - 5 - 6) \$
4	Step	After Simplification we get	\$-3x^5 - 2x^2 + 7x - 8 \$
5	Step	Answer	A

Step

Type

Explanation

Answer

Problem

Simplify the expression:
\$ (3+2x^2) - (4x^2+5+6x^5) - (6-7x-3x^5) \$

Hint

After Simplification

\$ 3+2x^2 - 4x^2-5-6x^5 - 6+7x+3x^5) \$

Step

Grouping like terms together we get

\$ (-6x^5 + 3x^5) + (2x^2 - 4x^2) + 7x + (3 - 5 - 6) \$

Step

After Simplification we get

\$-3x^5 - 2x^2 + 7x - 8 \$

Step

Answer