Question

how to reply the answer in brainly​

Answer 1

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☃ ƛƝƧƜЄƦ ☃

$\small \red{{1. \: 4a^{2} + 12ab + 9b ^{2} }} \\ \small \orange{{ = (2a) ^{2} + (3b)^{2} + 2(2a)(3b)}} \\ \small \orange{{ =(2a + 3b)^{2}}}$

$\small \pink{{2.) \: 16a^{2} - 40ab + 25b^{2} }} \\ \small \blue{{ = (4a) ^{2} + (5b)^{2} - 2(4a)(5b)}} \\ \small \blue{{ =(4 \: a - 5b)^{2} }}$

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