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The discriminant #delta# is given by the formula:

According to the quadratic formula, x , the solution for ax 2 +bx+c = 0 , where a, b and c are numbers, often called coefficients, is given.

Factor out 2x in the first and 9 in the second group.

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2x^2+7x+9# is of the form #ax^2+bx+c#, with #a=2#, #b=7# and #c=9#.

Solves by factoring, square root, quadratic formula methods.

By completing the square and using the quadratic formula.

Subtract the constant term c/a from both sides.

How To Solve With Factoring

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The quadratic formula calculator finds solutions to quadratic equations with real coefficients.

According to the quadratic formula, x , the solution for ax 2 +bx+c = 0 , where a, b and c are numbers, often called coefficients, is given.

It can save you a lot of time and work.

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The equation calculator allows you to take a simple or complex equation and solve by best method possible.

Online math solver with free step by step solutions to algebra, calculus, and other math problems.

Enter the equation you want to solve using the quadratic formula.

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How To Solve With Factoring
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Starting with a quadratic equation in standard form, ax² + bx + c = 0 divide each side by a, the coefficient of the squared term.

2x2 + 7x +9 = 0.

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Use the quadratic formula to find the solutions.

To solve this type of quadratic equation, use shortcut.

For equations with real.

First divide everything by 2, since a cannot have.