Question

2-Fatore as expressões.

a)7q^2-28
b)33x+22y-55z
c)x^6+x^7+x^8
d)36cd+6cd^2

Answer 1

a)
$7q^2-28= \\ 7(q^2-4)= \\ 7(q+2)(q-2)$

b)
$33x+22y-55z= \\ 11(3x+2y-5z)$

c)
$x^6+x^7+x^8= \\ x^6(1+x+x^2)$

d)
$36cd+6cd^2= \\ 6cd(6+d)$

Answer 2

$a) \\ \\ 7q^2 - 28 \\ \\ 7 (q- 2)()q + 2 \\ \\ \\ b) \\ \\ 33x + 22y - 55x \\ \\ 11(3x + 2y - 5z) \\ \\ \\ c) \\ \\ x^6 + x^7 +x^8 \\ \\ x^6(x^2 +x + 1) \\ \\ \\ d) \\ \\ 36cd + 6cd^2 \\ \\ 6cd (d + 6)$