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completeidiot Group TitleBest ResponseYou've already chosen the best response.0
are you familiar with ,factoring by grouping?
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.0
yes but there are only 3 numbers.....
 one year ago

completeidiot Group TitleBest ResponseYou've already chosen the best response.0
well, look at the middle number, can you seperate that into 2 numbers that would allow you to factor by grouping?
 one year ago

completeidiot Group TitleBest ResponseYou've already chosen the best response.0
examples 5x=2x+3x 5x=4x+1x 5x=6x+ 1x 5x= 6x + 1x
 one year ago

estudier Group TitleBest ResponseYou've already chosen the best response.0
(2x )(x ) and it has to be 3 and 1 if it's an easy factorization
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.0
thanks also how do you factor 2x^2+7x15
 one year ago

Husnul_Aini Group TitleBest ResponseYou've already chosen the best response.0
You can use this formula: \[x _{1,2} = \frac{ b \pm \sqrt{b ^{2}  4ac} }{ 2a }\] where a = 2, b = 5, c =3
 one year ago

Husnul_Aini Group TitleBest ResponseYou've already chosen the best response.0
The value of a,b and c, you can get from the equation \[ax ^{2}+bx+c\] You can solve the various forms of equations with ease.
 one year ago

estudier Group TitleBest ResponseYou've already chosen the best response.0
This is just another of same (2x )(x ) and your 15 breaks out into 5 and 3
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.0
ya but they dont add to 7 right?......
 one year ago

estudier Group TitleBest ResponseYou've already chosen the best response.0
depends on the sign and where you put each one....
 one year ago
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