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Mathematics 9 Online
OpenStudy (anonymous):

Can somebody help me factor 4x^2+4x-3

OpenStudy (kayders1997):

Think about what times what is 4x^2 or you could do a times c whichever method you want to do

OpenStudy (kayders1997):

@lvictoria529

OpenStudy (kayders1997):

What would you rather do?

OpenStudy (anonymous):

to be honest, i do not know, all i know is that 2x goes into 4x^2 and 4x but then you have to find two numbers that sum to four and are factors of -3

OpenStudy (kayders1997):

what is two numbers that multiples to -3

OpenStudy (kayders1997):

You can do it

OpenStudy (anonymous):

1 and 3

OpenStudy (kayders1997):

-3

OpenStudy (anonymous):

well one being negative and other positive

OpenStudy (kayders1997):

Right and think about it this way we want a positive 4x so do you think the 1 or 3 should be positive?

OpenStudy (kayders1997):

If you have a -3 do you think the 1 could get us to a positive 4x?

OpenStudy (kayders1997):

Or do you wanna start with the 4x^2 again?

OpenStudy (kayders1997):

What's two numbers that multiple to 4 and than x^2 is what times what?

OpenStudy (anonymous):

2

OpenStudy (kayders1997):

Yes 2x2 what or?

OpenStudy (kayders1997):

4x1

OpenStudy (anonymous):

oh yeah sorry, the x^2 thing just confused me

OpenStudy (kayders1997):

That's okay so when you have x^2 When you multiply exponents they are being added so x^2 times x^5 is x^7 just an example so basically x^---- times x^--- power equals x^2 remember they are being added together to get x^2

OpenStudy (kayders1997):

X^1 times x^1=x^2

OpenStudy (kayders1997):

@lvictoria529

OpenStudy (anonymous):

so that is how 2x times 2x is 4x^2, oh ok, i get it thx

OpenStudy (kayders1997):

Yes

OpenStudy (kayders1997):

So now experiment do you want to do the 2x's first?

OpenStudy (kayders1997):

Or the 4x and 1x?

OpenStudy (kayders1997):

@lvictoria529

OpenStudy (anonymous):

oh ok, thx, i got it

OpenStudy (kayders1997):

Oh okay

OpenStudy (kayders1997):

I just want to make sure you understand

OpenStudy (kayders1997):

What was your final answer

OpenStudy (marcelie):

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