GCSE Maths - Expanding Triple Brackets #37

GCSE Maths - Expanding Triple Brackets #37

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to expand triple brackets by multiplying two brackets first and then multiplying the result by the third bracket. It emphasizes the importance of clarity and accuracy in calculations to avoid mistakes. The tutorial provides two examples, demonstrating that the order of multiplication does not affect the final result. The process involves multiplying terms, drawing arrows for clarity, and combining like terms to simplify the expression.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in expanding triple brackets?

Ignore one bracket and multiply the other two

Multiply all three brackets together at once

Divide the terms in the brackets

Add all terms from the three brackets

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying the first two brackets, what is the result of multiplying 2x by x?

x^2

4x

2x^2

2x

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the detailed example, what is the simplified form of 2x squared plus 4x plus 3x plus 6?

2x^2 + 8x + 6

2x^2 + 5x + 6

2x^2 + 6x + 6

2x^2 + 7x + 6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the alternative approach example?

2x^3 + 15x^2 + 34x + 24

2x^3 + x^2 - 13x + 6

2x^3 + 10x^2 + 20x + 12

2x^3 + 5x^2 + 10x + 6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Does the order of multiplying the brackets affect the final result?

It depends on the terms in the brackets

No, it does not affect the result

Only if the brackets are identical

Yes, it changes the result