lexigolds9
2x2>4 what is the solution set



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Yahoo!
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add 2 to both sides

lexigolds9
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2x>6

Yahoo!
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2x > 6
nw multiply with 1 so inequatitly reversed
2x < 6
x < 3
Soln = (infinit , 3)

lexigolds9
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are they in ()'s or []'s

lexigolds9
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or different on each side?

lexigolds9
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??

goformit100
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@vikayefremova

lexigolds9
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??

ZakaullahUET
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dw:1350960501648:dw

muntoo
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\[\{x\ \ x<3, x \in \mathbb{R} \}\]

lexigolds9
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i got infinity,3 ,,, i just need to know when graphing would it be ] or )

lexigolds9
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at the negitave 3

Dwade03
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its paranthesis at 3

lexigolds9
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thank you so much

Dwade03
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np :)

lexigolds9
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can u by any chance tell me the real solutions for 20x^2+17x10=0

Dwade03
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ok do u know the quadratic formula?

lexigolds9
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not anymore. lol i can plug in though if you canwrite it out

lexigolds9
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or u can just give me the answer:) lol

Dwade03
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haha smart. well its better to know the formula for your future reference. :)
dw:1350961093023:dw

lexigolds9
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17+ square of 17^24(20)(10) over 40 ??

lexigolds9
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this is really hRD

Dwade03
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haha hold im trying to figure out if we can factor out the equation

Dwade03
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so im thinking this mite be the factored form of the equation. (5x+5)(4x2)=0

Dwade03
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and then make it equation to zero and solve

Dwade03
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dw:1350962242728:dw

Dwade03
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get it?