Step-by-step explanation:
5(2+√5) +√7(2+√5)
10+5√5+2√7+√35
hope it helps u
10 + 2√7 + 5√5 + √35
(5 + √7)(2 + √5) =
= 5×2 + 2×√7 + 5×√5 + √7×√5
= 10 + 2√7 + 5√5 + √35