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• Polynomials
• Factoring Polynomials
• Factoring out a common factor

# Factoring out a common factor

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•  Question 1: 1 pts The common factors in the polynomial $3x+3y$ is $x.$
•  Question 2: 1 pts Find the common factor in the polynomial $5x+2xz.$
 $5$ $x$ $2$ $z$
•  Question 3: 1 pts The common factor in the polynomial $16x+32$ is
•  Question 4: 1 pts Factor the polynomial using out a common factor. $$6a+9b$$
 $3(3a-2b)$ $3(2a-3b)$ $3(3a+2b)$ $3(2a+3b)$
•  Question 5: 2 pts Factor the polynomial using out a common factor. $$6\cdot (x-2y)+21 \cdot (x-2y)$$
 $(2x-y)$ $27\cdot (2x-y)$ $27\cdot (x-2y)$ $(x-2y)$
•  Question 6: 2 pts Factor the polynomial using out a common factor. $$15x^{4}-12x^{3}+6x^{2}$$
 $x^{2} \cdot (5x^{2}-4x+2)$ $3x \cdot (5x^{2}-4x+2)$ $3x^{2} \cdot (5x^{2}-4x+2)$ $3x^{2} \cdot (5x^{2}+4x+2)$
•  Question 7: 2 pts Factor the polynomial using out a common factor. $$45x-9y+99z$$
 $9\cdot (15x-3y+33z)$ $3\cdot (15x-3y+33z)$ $3\cdot (9x-3y+33z)$ $3\cdot (15x+3y+33z)$
•  Question 8: 2 pts Factor the polynomial using out a common factor. $$-50x+4y$$
 $-2\cdot (-25x-2y)$ $-2\cdot (25x+2y)$ $-2\cdot (25x-2y)$
•  Question 9: 3 pts Factor the polynomial using out a common factor. $$21ab^{2}-33a^{2}bc$$
 $3ab^{2}\cdot (7b-11ac)$ $3a^{2}b\cdot (7b-11ac)$ $3ab\cdot (7b-11ac)$ $9ab\cdot (3b-11ac)$
•  Question 10: 3 pts Factor the polynomial using out a common factor. $$15a^{2}b^{4}-5ab^{3}+20a^{3}b^{3}+10a^{5}b^{7}$$
 $5ab^{2}\cdot (3ab+4a^{2}+2a^{4}b^{4})$ $5ab^{3}\cdot (3ab-1+4a+2a^{4}b^{4})$ $5ab^{3}\cdot (3ab-1+4a^{2}+2a^{4}b^{4})$ $5ab^{3}\cdot (3ab+4a^{2}+2a^{4}b^{4})$