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I assume your trying to solve for the x variable? Use the quadratic formula (Google it) to find the roots to a second order equation (equation that contains a variable to power of 2). Using that equation, you get x values of 6 and -3. The only other way to solve it is with trial and error, which can be quite tedious.
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Earn +20 ptsQ: X2 - 3x - 18
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X2 plus 3x - 18 equals 0?
x^2+3x-18=0 (x+6)(x-3)=0
One of the roots of the equation x2 plus 3x - 18 equals 0 is 3 what is the other root?
x2 + 3x - 18 = 0 (x - 3)(x + 6) = 0 x = 3 or -6
What binomial is a factor of x2 plus 3x - 18?
The factors are (x + 6) and (x - 3)
What is the correct classification of x2 3x 8?
The expression x2 + 3x +8 is a quadratic trinomial.
Divide x2-3x-10 by x-5?
x2 - 3X - 10 = (X - 5)(X + 2)So, (X2 - 3X -10) / (X-5) = X + 2
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