The correct option is B 4(a+3b) Given: 4a+12b #160; #160; #160; #160; #160; =4· a+4· 3· b #160; #160; #160; #160; # ...

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Factorisation by Common Factors

4a + 12b is e...

Question

$4 a + 12 b$ is equal to

4 a

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12 b

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4 (a + 3 b)

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3 a

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Solution

The correct option is B $4 (a + 3 b)$
Given: $4 a + 12 b$
$= 4 \cdot a + 4 \cdot 3 \cdot b$
$= 4 \cdot a + 4 \cdot 3 b$
$= 4 (a + 3 b)$ , (common factor $4$ is taken out)

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Similar questions

Choose the correct answer:

4a + 12b is equal to

A. 4a

B. 12b

C. 4(a + 3b)

D. 3a

(a + 3 b)^{2} + 4 a + 12 b

$3 a - [4 a - ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ 3 a - 5 b - 3$ { $2 a - (3 a - ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ 2 a - 3 b)$ } $]$ equals

4 a + 12 b

(3 a + 4 b) \times (4 a + 3 b)

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