Calculate $75\%$ of $56$
g(x)=8
g(x)=2x^2-10
caculate 50% of 12
75,639,207,180,694,978,560 x 2 =
3^9
facotrize 6x^2+x-1
3x-1y=40; 4x-2y=50 substituntion method
factorize 2x^2+7x+3
factorize 3x^2+5x+2