Question

factorise the following
4p²-- 9q²​

Answer 1

Answer:

${ - 5p}^{2}$

Step-by-step explanation:

$4 - 9 = - 5 \: \: \: \: \: \: and \: {p}^{2}$

Answer 2

Step-by-step explanation:

$using \: identity \\ a {}^{2} - b {}^{2} = \ (a + b)(a - b) \\ 4p {}^{2} - 9q {}^{2} =( 4p - 9q)(4p + 9q)$

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