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solve a quadratic equation

x2+5x-14=0

3 answers

Do you mean 2x+5x-14=0? If you do, this is how you would solve it:

2x+5x-14=0
2x+5x=14 (add 14 to both sides)
7x=14 (add 2x+5x together)
x=2 (divide both sides by 7)

x^2+5x-14 = (x-2)(x+7)

Oh, duh! It's been awhile since I had algebra.

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