multiply (√3-√7+2√5)×(√3+√7-2√5)
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-24
Step-by-step explanation:
(√3-√7+2√5)×(√3+√7-2√5)
=(√3)^2-(√7)^2-(2√5)^2
=3-7+4×5
=3-27
=-24
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