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Mathematics 9 Online
OpenStudy (anonymous):

w4-144

OpenStudy (katrinakaif):

w^2 + 12) (w^2 - 12)

OpenStudy (anonymous):

what to do??factor?

OpenStudy (anonymous):

or u want w

OpenStudy (anonymous):

factor

OpenStudy (katrinakaif):

Yes I believe thats what they want. Do you want the whole solution to it Nemokimo?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

kat is right

OpenStudy (akshay_budhkar):

kat is always right lol

OpenStudy (katrinakaif):

Okay first you have to split this into 2 equation equation terms.. So we know we have break w^4 into 2 w^2 since they will still equal w^4 Then look into the sign of the eqaution given..which is w^4 - 144 Since it is MINUS we know that we have to have a negative AND positive symbol for each equation.. So it would be (w^2 + ___) (w^2 - ___) Now the square of 12 is equal to 144..So we know that 12 would substiute it in the blanks.. So (w^2 + 12) (w^2 - 12) Adn there is your answer

OpenStudy (katrinakaif):

Hehe thanks =D

OpenStudy (anonymous):

good work katrina \[(w^2)^2-(12)^2\] \[(w^2+12)(w^2-12)\]

OpenStudy (anonymous):

w^4 can also be written as (w^2)^2 and also 144 can be written as (12^2) according to the property ( a^2-b^2 ) = (a+b)(a-b)

OpenStudy (anonymous):

hence the answer is :::::::::::: \[(w^2+12)(w^2-12)\]

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