Question

como resolver? x²=30²+30²

Answer 1

x² = 30² + 30²
x² = 900 + 900
x² = 1800
x = √1800
x = √2.√900
x = √900.√2
x = 30√2
--------------------------------------
1800: 2
900: 2
450: 2
225: 3
75: 3
25: 5
5: 5
1       =  2.2.2.3.3.5.5 = 2².2.3².5² = √4.√2.√9.√25 = 2.√2.3.5 = 2.√2.15 = 15.2√2
         = 30√2

Answer 2

X2=(30x30)+(30x30)
X2=900+900
X2=1800
X=v1800
Daí é só fatorar