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Robin
Mathematics
6 August, 22:48
How do you find the solutions of xsquared-2x=3?
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Albert Cline
6 August, 23:11
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-1 and 3
Step-by-step explanation:
We need to solve "xsquared-2x=3"
The following version of xsquared-2x=3 has more appropriate format:
x² - 2x = 3
We need to put this into standard form for quadratic equations. To accomplish this, subtract 3 from both sides, obtaining:
x² - 2x - 3 = 0
This factors as follows: (x - 3) (x + 1) = 0.
The solutions are found by setting each factor = 0 separately and solving for x: 3 and - 1.
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