2x 2 7x 9 0 - staging
Starting with a quadratic equation in standard form, ax² + bx + c = 0 divide each side by a, the coefficient of the squared term.
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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.
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Subtract the constant term c/a from both sides.
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Factor out 2x in the first and 9 in the second group.
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By completing the square and using the quadratic formula.
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First divide everything by 2, since a cannot have.
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2x2 + 7x +9 = 0.
The discriminant #delta# is given by the formula:
2x^2+7x+9# is of the form #ax^2+bx+c#, with #a=2#, #b=7# and #c=9#.
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.