Question

Reduza termo semelhantes:
a) 7a-2a+4a-2b
b) 5y-5x-8y+6x=
c)9x+4x-3x+3x
d)x+7+x-10-1=
e)x-x2+7x2+10x3+4
f) 2x3-7x+4x-2+8-3x=
g)4ab2-6b2-2a2b-1
PFV GENTE E PRA HOJE QUE PRESISO AS RESPOSTAS

Answer 1

a) 7a-2a+4a-2b=  9a-2b
b) 5y-5x-8y+6x= 5y-8y-5x+6x=-3y+1x
c)9x+4x-3x+3x= 13x
d)x+7+x-10-1=2x-11
e)x-x2+7x2+10x3+4=6x²+10x³-x+4
f) 2x3-7x+4x-2+8-3x=2x³-6x+6
g)4ab2-6b2-2a2b-1=(4ab²-6b²-2a²b)-1   ----  

Answer 2

a)7a-2a+4a-2b=9a-2b
b)5y-5x-8y+6x=-3y+1x
c)9x+4x-3x+3x=7x
d)x+7+x-10-1=x²-4
e)x-x²+7x²+10x³+4=x-6x²+10x³+4
f)2x³-7x+4x-2+8-3x=2x³-6x+6
g)4ab2-6b2-2a2b-1=4ab2-6b2-2a2b-1