simplify the expression (2√2+5)²
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Step-by-step explanation:
(a+b)^2 = a^2+2ab+b^2
(2√2+5)² = (2√2)²+2(2√2)(5)+(5)²
= 8+20√2+25
=33+20√2
=33+20*1.414
= 33+ 28.28
= 61.28
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