Question

Me ajude nessa conta...√44 - √99

Answer 1

44÷2

22÷2

11÷11

1

_________

99÷3

33÷3

11÷11

1

${2}^{2} \times 11 = 2 \sqrt{11}$

${3}^{2} \times 11 = 3 \sqrt{11}$

$2 \sqrt{11} - 3 \sqrt{11} = - \sqrt{11}$