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Mathematics 10 Online
OpenStudy (anonymous):

2x^2-5x-3=0

OpenStudy (anonymous):

ok first you need to multiply 2 and -3

OpenStudy (anonymous):

right! multiply a*c then what?

OpenStudy (anonymous):

that becomes -6 so then you need two numbers that equal -5

OpenStudy (anonymous):

1 & -5

OpenStudy (anonymous):

no 2,-3

OpenStudy (anonymous):

Oh okay.

OpenStudy (anonymous):

(x+2)(x-3) = 0

OpenStudy (anonymous):

2x^2+2x-3x-3

OpenStudy (anonymous):

then split them up

OpenStudy (anonymous):

Split what up?

OpenStudy (anonymous):

its kinda hard to explain

OpenStudy (anonymous):

:/

OpenStudy (anonymous):

well I failed ..

OpenStudy (anonymous):

here 2x(x-3) 2(x-3)

OpenStudy (anonymous):

ohhhh i see

OpenStudy (anonymous):

(2x-2) (x-3)

OpenStudy (anonymous):

its suppose to be -2 and -3

OpenStudy (anonymous):

something like that sorry

OpenStudy (anonymous):

then set them to 0

OpenStudy (anonymous):

k

OpenStudy (anonymous):

2x-2=0 x-3=0

OpenStudy (anonymous):

2x=2 x=3

OpenStudy (anonymous):

x= 1 X

OpenStudy (anonymous):

right{1,3}

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