Question

Please help with the following question:

5√2 (3+√2)(5+√2)

Answer 1

Hi, here is your solution:-

5√2 (3+√2)(5+√2)
Multiplying: we get:
5√2× (15+3√2+5√2+2) (because √2×√2=2)
Solving:
5√2(17+8√2)
85√2+(40×2)
85√2+80.

May it help...

Answer 2

$5 \sqrt{2} ( \sqrt{2 {}^{2} } + \sqrt{2} (3 + 5) + 15)$
(x+a)(x+b)
$10 \sqrt{2} + 40 \sqrt{2} + 75 \sqrt{2}$
$(10 + 40 + 75) \sqrt{2}$
$125 \sqrt{2}$