x^2+10x-24=0
12x+19y=43
x+6y=8
1/2*(x+10)x
6xsquare-3x-4 by -9xsquare-6x+3
2/3* 1/2* 3/4
7=7-32/5
7-32/5
43/50*5
power of 10-1
$\sqrt{24+12}$ /14
