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Solve x2 + 2x + 1 = 17 for x.

Ross Pratt

in Mathematics

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Ross Pratt on November 18, 2018

First, get the equation to equal 0 by subtracting 17 from both sides.You should have x^2+2x-16=0Next plug your numbers into the quadratic formula(-b^2+/- the square root of b^2-4ac -all divided by 2a)The final result should be x=-1+/- the square root of 17, or(if you want the decimal) 3.12310562, -5.12310562


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