Question

resolva os termos semelhantes

a) 2x+3y-1-3y+x
b) a+3t-6a-3x+6a+4
c)x²-3x+1-x²+5x-1+3x+7t-6
d)a²-b²-2a-2b+3-a²+b²+2a-2b-3

calcule
a) (3x+4) + (6x-1)
b)(2a+5b) + (7a-6b)
c)(3x²+2x-1)+(2x²+4x+2)
d)(2x²+3x-1)+(3x²4x+5)-(x²+3x+3)
e)(3x+2y+z)- (2y+y-z)-(4x-3y-3z)
f)- (7a²-3b²) + (-2a²-2ab+b²) - (5a+2ab-b²)
g)(-2x²) (2x)
h)(-ab²) (a² b³)
i)3 (2x²-x4)
j)(2x-3) (4x+1)
k)(2a+3b) (5a-b)

calcule usando a regra dos produtos notáveis

a)(x+1)²=
b)(a+5)²=
c)(a-2)²=
d)(4x-1)²=

Answer 1

1.a)3x-1
b)a+3t-3x+4
c)5x+7t+6
d)-4b-3
2.a)9x+3
b)9a-1b
c)5x²+6x+1
d)4x²+4x-1
e)-x+5z+4y
f)-9a²-3b²-5a
g)-4x³
h)-a³b5
i)6x²-12x
j)8x²+14x-3
k)10a²+13ab-3b²
3.a)x²+2x+1
b)a²+10a+25
c)a²-4a+4
d)16x²-12x+1