Question

. Ajude reduzir expressoes Reduza as expressoes a)2x+3(3-2)-2(1x) b) (x²-xy+y²)+y(x²-xy+y)

Answer 1

a)   2x+3(3-2)-2(1x)
2x+9-6-2x= 3

b)- (x²-xy+y²) + y (x²-xy+y)

x²-xy+y²+yx²-xy²+y²

x²-xy+yx²-xy²+2y²