Question

1) 14√3-√3-10√3 = 3√3
2) √20 - 5√5 = -3√5
3) 2√7х +√28х -3√700x =- 26√7x
4) (2√a +√ b)(√a -5√b)=2a-10 y√ab +y√ab - 5b = 2а-9√ab -5b​

Answer 1

1) 14√3-√3-10√3 = 3√3

2) √20 - 5√5 = -3√5

3) 2√7х +√28х -3√700x =- 26√7x

4) (2√a +√ b)(√a -5√b)=2a-10 y√ab +y√ab - 5b = 2а-9√ab -5b​