Question

alguem me ajudar pfv

Answer 1

d)

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

e)

$4\pi g+12\pi t=4\pi \cdot(g+3t)$

f)

$\frac{3a}{7}-\frac{3c}{7}=\frac{3}{7}\cdot(a-c)$