Bubblez33
If 3 less than a certain integer is multiplied by 4 more than the integer, the product is 2 less than the square of the integer. Find the integer.



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Dido525
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dw:1349753000805:dw

Dido525
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Solve for x.

Bubblez33
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sorry didi i cant read that

liza2
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(n3)(n+4) = n^2  2

liza2
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n is the integer.

Dido525
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\[(x3)(x+4)=x^22\]

Dido525
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Better?

Dido525
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X is the integer.

Bubblez33
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yes better

Bubblez33
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x^210=x^2 ??

skyequilts
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don't forget ur middle term of the FOIL on the left, then won't the x^2 subtract off...

Dido525
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Yes but the x^2's just cancel out.

Bubblez33
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x10 ?

skyequilts
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x10 = 0, so x = ???

Bubblez33
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10

skyequilts
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bingo!!

Bubblez33
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awesome...thank u