Question

sendo
A=x-3
B=x-2
C=x+1
D= x+4

Calcule
a)AB+C
b)A+CD
c)BD+C
d)ABC



Gente pfv me ajudem.......contas pfv!!!!!!!

Answer 1

a) (x-3).(x-2)+x+1

x²-2x-3x+6+x+1

x²-5x+x+6+1

x²-4x+7

b) (x-3)+(x+1).(x+4)

x-3+x²+4x+1x+4

x²+4x+1x+x+4-3

x²+6x+1

c) (x-2).(x+4)+x+1

x²+4x-2x-8+x+1

x²+2x+x-8+1

x²+3x-7

d) (x-3).(x-2).(x+1)

x²-2x-3x+6.(x+1)

x³-2x²-3x²+6x+x²-2x-3x+6

x³-5x²+6x+x²-5x+6

x³-4x²+1x+6