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Multiply out and simplify - OCR - GCSE Maths - Question 3 - 2021 - Paper 1

Question 3

Multiply out and simplify. 3(x + 2) - (x - 1)

Worked Solution & Example Answer:Multiply out and simplify - OCR - GCSE Maths - Question 3 - 2021 - Paper 1

Step 1

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Answer

First, distribute the 3 in the term (3(x + 2)):

[3(x + 2) = 3x + 6]

Next, distribute the negative sign in the term (-(x - 1)):

[-(x - 1) = -x + 1]

Now, the expression becomes:

[3x + 6 - x + 1]

Step 2

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Answer

Combine the terms with (x) and the constant terms:

[3x - x + 6 + 1 = 2x + 7]

Thus, the simplified expression is:

[2x + 7]

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