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By using the quadratic equation formula
For any quadratic ax2 + bx + c = 0 we can find x by using the quadratic formulae: the quadratic formula is... [-b +- sqrt(b2 - 4(a)(c)) ] / 2a
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First you factorise it. Then you cancel out the common terms.
A quadratic function is ax2+bx+c You can solve for x by using the quadratic formula, which, as the formula requires the use of square roots, would be tricky to put here.
With great difficulty because it is not a quadratic equation or even a quadratic expression.
The quadratic formula can be derived by used a method called completing the square. It's like using algebra to solve for x. The process is explained the related link "Derivation of Quadratic Formula".
Solve using the quadratic formula
You can't because it is not a quadratic equation.
Using the quadratic equation formula:- x = 3.795831523 or x = -5.795831523
2x2-10+7 = 0 Solving the quadratic equation using the quadratic formula will give you two solutions and they are: x = (5 - the square root of 11)/2 or x = (5 + the square root of 11)/2
a2+30a+56=0 , solve for a Using the quadratic formula, you will find that: a=-2 , a=-28