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jazzyfa30
 3 years ago
factoring:
x2  3x  28 = 0
jazzyfa30
 3 years ago
factoring: x2  3x  28 = 0

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1can you find 2 numbers whose sum is 3 and product is 28 ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1one of them is negative, which ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1correct! so, split up 3x as 7x+4x x^2 7x+4x28 now factor out x from first 2 terms and 4 from last two, can you ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1ok, to factor out x from x^27x, we get x (x7) and 4 from 4x28. we get +4(x7) so, x(x7)+4(x7) factor out (x7) from this!

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1if you take (x7) out from those 2 terms, what remains is (x7) (x+4) thats it! factored.....

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1and don't forget the = 0 (x7)(x+4) = 0 do you need to solve it too ? or just factoring ?

jazzyfa30
 3 years ago
Best ResponseYou've already chosen the best response.0just factor can u help me with a few more

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1did you get this one properly ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1yeah, then i can help u with next problems...just post them in a new post...so that if i am busy, others can help you too!
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