(2a-3b)square+(2a3b)square
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Answer:
8a²+18b²
Step-by-step explanation:
(2a-3b)²+(2a+3b)²
=(2a)²+(3b)²-2(2a)(3b)+(2a)²+(3b)²+2(2a)(3b)
=4a²+9b²-12ab+4a²+9b²+12ab
=4a²+4a²+9b²+9b²
=8a²+18b²
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