BMI229
multiples of 90 that add up to 24



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electrokid
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I think you are looking for "factors" not "multiples"

AriPotta
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i don't believe there are any...

BMI229
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no im looking for multiples

4kec4
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i can only think of 18*5=90 but it adds up to 23.

electrokid
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you are missing the signs too!!!
multiples are greater than the number itself
90*1, 90*2, 90*3 , etc
those are called multiples of 90

electrokid
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is 90 negative in your quadratic?

BMI229
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Solve for x: x2 + 24x + 90 = 0

electrokid
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then you've got to use the quadratic equation.
since there are so
factors of +90
that add up to +24

ryan123345
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dw:1366300893354:dw

4kec4
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Solving for x, and setting the equation to zero then i get two solutions:
\[x=3 (4  \sqrt{6}) \] and \[x=3 (4 + \sqrt{6}) \]

BMI229
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Solve for x: x2 + 24x + 90 = 0

BMI229
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dw:1366301187751:dw

AriPotta
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you can't solve it by factoring, you gotta use that formula