Question

escreva na forma reduzida:
a) x³+5²-4x+1-2x
b) 4x²-1+5xy+3x²-9xy+8
c) 8a-3b-7a+4c+5b+15+2b-c
d) a²x-a²x²+5a²x+3a²x³+9a²x-4a²x³+7a²x³

Answer 1

a) x³+5²-6x+1
b)7x²-4xy+7
c)1a+4b+3c+15
d)16a²x-a²x²+6a²x³