Question

simplify the given expression
$(5 + \sqrt{7)} (2 + \sqrt{5)}$
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Answer 1

Answer:

In this context, simplify = expand?

( 5 + √7 ) ( 2 + √5 )

= 5×2 + 5√5 + 2√7 + √7×√5

= 10 + 5√5 + 2√7 + √35