Question

Factorize the following : 20p²-45


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Answer 1

☆Solution:-

$→\;20 {p}^{2} - 45 \\→\; 5(4 {p}^{2} - 9) \\→\; 5[({2})^{2} ( {p})^{2} - ( {3})^{2} ] \\→\; 5[ ({2p})^{2} - {(3)}^{2} ] \\→\; 5(2p + 3)(2p - 3)$

☞ (a²-b²) = (a+b)(a-b)

• $\red{\sf{5(2p+3)(2p-3)}}$

$\boxed{\tt{@MrMonarque}}$

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Answer 2

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