take into consideration x^2-169. Rewrite x^2-169 as x^2-13^2. The difference of squares deserve to be factored making use of the rule: a^2-b^2=left(a-b ight)left(a+b ight).

You are watching: Solve x2 = –169. x2=169 Two remedies were discovered : x = 13 x = -13 Rearrange: Rearrange the equation by individually what is to the appropriate of the equal authorize from both sides of the equation : ...
displaystylex=2sqrt2,-2sqrt2 Explanation: displaystyle2x^2=16 divide both sides of the equation bydisplaystyle2 . displaystylex^2=frac162 ...
3x2=16 Two remedies were discovered : x = ±√ 5.333 = ± 2.30940 Rearrange: Rearrange the equation by subtracting what is come the ideal of the equal sign from both sides of the equation : ...
4x2=16 Two options were discovered : x = 2 x = -2 Rearrange: Rearrange the equation by individually what is come the ideal of the equal sign from both sides of the equation : ...
Dean R. Apr 19, 2018 basic ones favor this we simply saydisplaystylex^2=frac169sodisplaystylex=pmsqrtfrac169=pmfrac43 , two solutions.
36x2=169 Two solutions were found : x = 13/6 = 2.167 x = -13/6 = -2.167 Rearrange: Rearrange the equation by individually what is to the ideal of the equal sign from both sides of the ...
More Items     Consider x^2-169. Rewrite x^2-169 as x^2-13^2. The difference of squares deserve to be factored using the rule: a^2-b^2=left(a-b ight)left(a+b ight).

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This equation is in typical form: ax^2+bx+c=0. Instead of 1 because that a, 0 because that b, and also -169 because that c in the quadratic formula, frac-b±sqrtb^2-4ac2a.
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