Factor the common factor out of each expression:
a) 10x^{4}+4x^3+18x^2
b) -42x^{3}-42x+48
c) 40x^{2}+70x+60
d) 16x^{4}+40x^3+40x
e) 20x^{5}y+20x^5+2x^4
f) 18x^{4}y^2+27x^4y-3x^2y
g) 45x^{2}-9y-27
h) -9x^{7}-9x^5y+18x^6
Factor each completely:
a) x^{2}-17x+70
b) x^{2}-11x+30
c) x^{2}-4x-45
d) x^{2}-3x+2
a) x^{2}+12x+36
b) x^{2}-18x+80
c) x^{2}-4
d) x^{2}+4x-21
e) x^{2}+7x+6
a) x^{2}+x-42
b) x^{2}-9x+8
c) x^{2}+13x+36
d) x^{2}-49
e) x^{2}+11x+18