Expand the following:a) 3(x + 9)b) 4(x - 1)c) 5(5x + 2)d) 8(3x - y) – InterviewSolution

1.

Expand the following:a) 3(x + 9)b) 4(x - 1)c) 5(5x + 2)d) 8(3x - y)

Answer»

Step-by-step EXPLANATION:

$3(x + 9) \\ = (3 \times x) + (3 \times 9)$

$4(x - 1) \\ = (4 \times x) - (4 \times 1)$

$5(5x + 2) \\ = (5 \times 5x) + (5 \times 2)$

$8(3x - y) \\ = ( 8\times 3x) - (8 \times y)$

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