Question

please ask me step by step solution
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Answer 1

Answer:

9a²+12a+4

9a²+(6a+6a)+4. [middle term factor]

9a²+6a+6a+4

3a(3a+2)+2(3a+2)

(3a+2)(3a+2)

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Answer 2

GIVEN★

$= 9a {}^{2} + 12a + 4$

find ★

• given eq factorise

EVALUTION★

• $= 9a {}^{2} + 12a + 4 \\ \\ \\ can \: be \: this \: written \: as \\ \\ \\ = 9a {}^{2} + 6a + 6a + 4 \\ \\ \\ take \: common \: 3a \: \: and \: 2 \\ \\ \\ = 3a(3a + 2) + 2(3a + 2) \\ \\ \\ = (3a + 2) (3a + 2)$

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