Question

Radical2 × + radical18=0 va rog

Answer 1

x√2+√18=0
x√2=-3√2
x=$\frac{-3 \sqrt{2} }{ \sqrt{2} } =-3$

Answer 2

√2x+√18=0
√2x+3√2=0 |-3√2
√2x=-3√2
x=-3√2/√2 [rationalizam cu √2]
x=-6/2
x=-3