Step-1

Title: Simplify the expression

Grade: 7-a Lesson: S3-L8

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Given that:
\$ (3x^2 + 4x) - (12x + 5x^2) \$

2

Hint

Simplify the expression

\$ 3x^2 + 4x - 12x - 5x^2 \$

3

Step

Like terms add together

\$ (3x^2 - 5x^2) - (12x - 4x) \$

4

Step

After simplification

\$ -2x^2 - 8x \$

5

Step

Taking common as '2x'

\$ 2x(-x + 4) \$

6

Answer

C

Tutor: Questions

Seq Type Question Audio

1

Problem

What did you learn from this problem?

2

Clue

What did you learn from the clues?

3

Hint

What did you learn from the Hints?

4

Step

What did you learn from the Steps?

5

Step

How can we improve the Steps?


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