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dragoswords
@dragoswords
August 2022
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litanalove
1) a) ac+ad-3bc-3bd
b)6ab-2b+3ac-c
v) 6cd-10c-9d+15
g) c^3-7c^2+c-7
2.
a) 3a^2+a-9a-3=3a^2-8a-3
b) 6b^2+10bc+6bc+10c^2=6b^2+16bc+10c^2
v) 6c^2-10c^4-9-15c^2= -10c^4 -9c^2-9
g) 9c^2-3abc+3abc-a^2b^2=9c^2-a^2b^3
3.
a) 3a^2-9a^2+3a-2a^2+6a-2= -8a^2+8a-2=2(-4a^2+4a-1)
b) x^3+6x^2-7x+x^2+6x-7= x^3+8x^2-x-7
v) 3a^2+3ab-3ac+ab+b^2c-bc^2=3a^2+4ab-3ac+b^2c-bc^2
2 votes
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Answers & Comments
b)6ab-2b+3ac-c
v) 6cd-10c-9d+15
g) c^3-7c^2+c-7
2.
a) 3a^2+a-9a-3=3a^2-8a-3
b) 6b^2+10bc+6bc+10c^2=6b^2+16bc+10c^2
v) 6c^2-10c^4-9-15c^2= -10c^4 -9c^2-9
g) 9c^2-3abc+3abc-a^2b^2=9c^2-a^2b^3
3.
a) 3a^2-9a^2+3a-2a^2+6a-2= -8a^2+8a-2=2(-4a^2+4a-1)
b) x^3+6x^2-7x+x^2+6x-7= x^3+8x^2-x-7
v) 3a^2+3ab-3ac+ab+b^2c-bc^2=3a^2+4ab-3ac+b^2c-bc^2