УПРОСТИТЕ: √112-√252-2√448 2√3(4√3-√6)

Question

УПРОСТИТЕ:
√112-√252-2√448
2√3(4√3-√6)

Answer 1

4√7-6√7-2*8√7=-2√7-16√7=-18√7
8√9-2√18=8*3-2*3√2=24-6√2

Answer 2

1)√112-√252-2√448=√(16*7) -√(36*7) -2√(64*7)=4√7-6√7-16√7=-18√7
2)2√3 *4√3-2√3*√6=8*(√3)²-2√3*√(2*3)=8*3-2*(√3)²*√2=24-6√2