![]() Many quadratic equations cannot be solved by factoring. To check, 2 x 2 + 2 x – 1 = x 2 + 6 x – 5 X 2 – 6 x = 16 becomes x 2 – 6 x – 16 = 0īoth values, 8 and –2, are solutions to the original equation.Ī quadratic with a term missing is called an incomplete quadratic (as long as the ax 2 term isn't missing).įirst, simplify by putting all terms on one side and combining like terms.
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