Note: Do not enter commas.
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Input MUST have the format:
AX2 + BX + C = 0
EXAMPLE: input the equation
2X2 + 4X -30 = 0 as:
A= 2 B= 4 C= -30
click E N T E R and your answers should be 3 and -5.
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If you need to find out how to determine the quadratic formula or if you want to know about "completing the square", then click here:
Deriving The Quadratic Formula
Numbers are displayed in scientific notation in the amount of
significant figures you specify. For easier readibility, numbers between 1,000 and -1,000
will not be in scientific notation but will still have the same precision.
You may change the number of significant figures displayed by
changing the number in the box above.
Most browsers, will display the answers properly but
if you are seeing no answers at all, enter a zero in the box above, which will
eliminate all formatting but at least you will see the answers.
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