Question

Calculatix la puterea2 din cazul x=17,3-8,9

Answer 1

x=$\frac{173}{10}$-$\frac{89}{10}$
x=$\frac{84}{10} = 8,4$ 
$x^{2}$=$8,4^{2}$ 
$x^{2}$=70,56
Cu placere.

Answer 2

x=17,3-8,9
x=8,4
x²=8,4·8,4
x²=70,56