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Mathematics 9 Online
OpenStudy (anonymous):

Factor completely 56a2b3 - 35ab. 7ab(8ab2 - 5) 7a(8b2 - 5ab) Prime 7a(8ab3 - 5b)

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 \[-7(x ^{2}-2x+3)\]

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

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?

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

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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