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anonymous
 one year ago
factor 9u^2+42u+49 Please help! D:
anonymous
 one year ago
factor 9u^2+42u+49 Please help! D:

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.5Hint: this is a perfect square take the square roots of the first and last terms

welshfella
 one year ago
Best ResponseYou've already chosen the best response.5the 7 is right ( well its + 7) but dont forget the u^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0OK so now what now that i have45u+7?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.5its not 5u  what is the square root of 9u^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03u. but i added that to the 42u and got 45u

welshfella
 one year ago
Best ResponseYou've already chosen the best response.5 no you cant do that these trinomials ( also called quadratics) factor out to the form (a + b)(c + d) in this case its (a + b)(a + b) where the middle term = 2ab in this case 2ab = 42u

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh im kind of confused...

welshfella
 one year ago
Best ResponseYou've already chosen the best response.5dw:1433688118015:dw

welshfella
 one year ago
Best ResponseYou've already chosen the best response.5first the a multiplies the second bracket then the b does the same

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0OH!! So I need the 2 parts to equal the original equation?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay I get it now I think :)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.5so the factors are ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you :3 I get it now

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Also can you help me with one more?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.094z^2 that would be (32z)^2?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0multiply it out and check
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