simplify the following: (3+√5)²
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Answer:
14 + 6√5
Step-by-step explanation:
= (3 + √5)²
= (3 + √5) x (3 + √5)
= (3 x 3) + (3 x √5) + (3 x √5) + (√5 x √5)
= 9 + 3√5 + 3√5 + 5
= 14 + 6√5
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