Mathematics
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OpenStudy (anonymous):
Factor completely 56a2b3 - 35ab.
7ab(8ab2 - 5)
7a(8b2 - 5ab)
Prime
7a(8ab3 - 5b)
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OpenStudy (anonymous):
@midhun.madhu1987
OpenStudy (mokeira):
\[56a ^{2}b ^{3}-35ab\]
Find what is common in both...it is 7ab
\[7ab(8ab ^{2}-5)\]
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
Factor completely -7x2 + 14x – 21.
-1(x2 - 14x + 21)
-7x(x2 - 2x + 3)
-7(x2 + 2x - 3)
-7(x2 - 2x + 3)
OpenStudy (mokeira):
Find what is common...it is -7
\[-7(x ^{2}-2x+3)\]
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OpenStudy (anonymous):
actor completely 6x4y3 + 21x3y2 - 9x2y.
3xy(2x3y2 + 7xy - 3x)
3x2y(2x2y2 + 7xy - 3)
3x2y3(2x2 + 7xy - 3)
3x2y(2x2y + 7xy - 3y)
OpenStudy (mokeira):
Try and tell me what you get
OpenStudy (anonymous):
b
OpenStudy (mokeira):
That is correct
OpenStudy (anonymous):
thanks
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OpenStudy (mokeira):
U welcome :)
OpenStudy (anonymous):
Determine the factors of a2b + 2a2 + 3b + 6.
(b + 3)(a2 + 2)
(b + 2)(a2 + 3)
(ab + 2)(a + 3)
(ab + 3)(a + 2)
OpenStudy (mokeira):
what is your answer?
OpenStudy (anonymous):
c
OpenStudy (anonymous):
b?
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OpenStudy (anonymous):
i used the distrubutive preoperty
OpenStudy (mokeira):
yes, it is b
OpenStudy (anonymous):
thanks ok couple more
OpenStudy (anonymous):
Select the factors of ax - 2ay + 3bx - 6by.
(a + 2b)(x - 3y)
(a - 2b)(x + 3y)
(a + 3b)(x - 2y)
(a - 3b)(x + 2y)
OpenStudy (anonymous):
c is my answer
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OpenStudy (midhun.madhu1987):
Take common factor from first 2 and then last two...
OpenStudy (anonymous):
Factor completely 2x3 + 14x2 + 4x + 28.
2(x3 + 7x2 + 2x + 14)
(2x + 14)(x2 + 2)
2[(x + 7)(x2 + 2)]
(x + 7)(2x2 + 4)
OpenStudy (midhun.madhu1987):
Here also take common factor from first 2 and then last two...
OpenStudy (anonymous):
D?
OpenStudy (midhun.madhu1987):
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