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Mathematics 8 Online
OpenStudy (anonymous):

I need assistance with Factoring a Quadratic equation.

OpenStudy (anonymous):

\[2x^2-11x+5=0\]

OpenStudy (nenadmatematika):

do you know to find the solutions to this equation?

OpenStudy (anonymous):

(2x-1)(x-5)

OpenStudy (anonymous):

I knew how to find the solution but I was unsure about the concept of finding the factoring portion.

OpenStudy (anonymous):

(2x-1)(x-5)=0 now solve 2x-1=0 and x-5=0

OpenStudy (nenadmatematika):

well when you're equation is in the form ax^2+bx+c? OK? tell me what is a in your equation?

OpenStudy (anonymous):

It's \[2x^2-11+5\]

OpenStudy (anonymous):

Oh sorry, I read that wrong, 2x^2 is My A

OpenStudy (nenadmatematika):

a is 2. Understand? now tell me what are the solutions of your equation?

OpenStudy (anonymous):

I understand the parts of a quadratic equation but I was unsure about factoring the actual equation. After the factoring, it's a breeze to find out the rest of the answer. Do you think you can break down the process of how (2x-1)(x+5) was attained?

OpenStudy (nenadmatematika):

I'm trying to explain that to you...when you have the solutions of the quadratic equation and you know what is your ''a'', then you can write it as a(x-x1)(x-x2) where x1 and x2 are your solutions

OpenStudy (nenadmatematika):

in this case your solutions are x1=1/2 and x2=5 and a=2 so you can write your equation like this: 2(x-1/2)(x-5) , you can leave it like this, or if you want you can multiply first two terms and you get (2x-1)(x-5)

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