Question

1)4√2+√50-√18
2)√3×(2√3+√12)
3)(√5-2)²
4)(√3-√2)(√3+√2)

Answer 1

1) 4√2+√50-√18 = 4√2 + 5√2 -3√2=6√2
2) √3×(2√3+√12) = √3×(2√3+2√3) = 4√3 * √3 = 4 * 3 = 12
3) не знаю
4) (√3-√2)(√3+√2) = 3- 2 = 1