Question

4√32-5√8+3√128
Ajutorrr. repede

Answer 1

=4x4√2-5x2√2+3x8√2=
=16√2-10√2+24√2=
=(16-10+24)√2
=30√2

Answer 2

$4\sqrt{32}-5\sqrt{8}+3\sqrt{128}=4 \cdot 4\sqrt2-5 \cdot 2\sqrt2+3 \cdot 8\sqrt2= \\ =16\sqrt2-10\sqrt2+24\sqrt2=6\sqrt2+24\sqrt2=\boxed{\bold{30\sqrt2}}$