Question

Efetue: a) (5°-√ 9)3:[(-1+√ 25)2-(-2+14)]

Answer 1

$(5-\sqrt{9} )3:[(-1+\sqrt{25})2-(-2+14)]$

$(5-3)3:[(-1+5)2-12]$

$2*3:[4*2-12]$

$6:[8-12]$

$6:[-4]$

$-\frac{6}{4}$

$-\frac{3}{2}$