We’ll solve this two ways:

First divide everything by 2, since a cannot have.

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.

The discriminant #delta# is given by the formula:

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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.

Subtract the constant term c/a from both sides.

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

It can save you a lot of time and work.

How To Solve With Factoring

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

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By completing the square and using the quadratic formula.

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

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

Use the quadratic formula to find the solutions.

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2x2 + 7x +9 = 0.

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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.

Solves by factoring, square root, quadratic formula methods.

Get help on the web or.

To solve this type of quadratic equation, use shortcut.