Question

how to factorise class 10
$x {?}^{2} + 6x + 9$
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Answer 1

Answer:

x²+6x+9

x²+3x+3x+9

x(x+3)+3(x+3)

(x+3)(x+3)

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Answer 2

Step-by-step explanation:

${x }^{2} + 6x + 9 \\ = {x}^{2} + 3x + 3x + 9 \\ = x(x + 3) + 3(x + 3) \\ = (x + 3)( x + 3)$

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