Question

9x2-(x2-4)2: factorise the given equation
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Answer 1

Step-by-step explanation:

${9x}^{2} - {2x}^{2} - 8 \\ {7x}^{2} - 8$

Answer 2

Answer:

$\boxed{ {9x}^{2} - ( {2x}^{2} - 8) }$

$= {7x}^{2} - 8$

$\huge \underline \red{note : - }$

$2 \times {x}^{2} = {2x}^{2}$

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