30=(20/100)(x)
X^2-X-24
5.5*12
45=(x/100)(60)
p(x)=xy^2+ 43x2y− 74x2y− 35xy^2+ 35 and q(x)=x^2y+xy^2.
45=x/100(60)
x2+2x+1=0
2x - 3y = -6
4x+3≥19
(x+2)*2 -2 -x /2
