Without an equality sign the given quadratic expression can't be classed as an equation but knowing how to use the quadratic equation formula would be helpful when given such problems.
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It is a quadratic equation that has 2 solutions
Using the quadratic equation formula: x = 1 or x = -10
The discriminant is 88 which means that the given quadratic equation has two different solutions for x
2x2 - 6x - 25 = 0. Solutions are 5.34 and -2.34
-7 therefore the quadratic equation has no real roots