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modphysnoobBest ResponseYou've already chosen the best response.1
x^2 3x=28 x^23x28=0 factor (x )(x )=0 think of two number that add up to 3 and multiply to 28
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
what two number multiples to be 28?
 one year ago

thisisarriBest ResponseYou've already chosen the best response.0
ok, one second. @modphysnoob
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
yep, 7+4=3 7*4=28
 one year ago

thisisarriBest ResponseYou've already chosen the best response.0
haha thanks @nader1
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
so you'd get here (x7)(x+4)=0 from here , we can deduce that x=7,4
 one year ago
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