Question

factorise 9x²-36 please say me the answer
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Answer 1

Answer:

${9x}^{2} - 36$

${(3x)}^{2} - {(6)}^{2}$

this is in the form of

${a}^{2} - {b}^{2} = (a + b)(a - b$

•°•

$(3x + 6)(3x - 6)$

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Answer 2

Answer:

$9{x}^{2} - 36$

$9{x}^{2} = 36$

${x}^{2} = 4$

x=2

Hope this helps you..!!

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