michellepowell2 michellepowell2

10-12-2018
Mathematics

contestada

solve 3x2 + 5x = 2 in next five mins!!!!!!!!!!

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MaliaHale MaliaHale

10-12-2018

3x2 +5x -2 =0
x1/2 = -5 +- the root of (25-4×3×(-2))/6
x1/2 = -5 +- the root of (25 + 24)/6
x1/2 = -5+- the root of 49/6
x1/2 = -5 +- 7/6
x1= -5+7/6
x1= 2/6
x1= 1/3
x2=-5-7/6
x2=-12/6
x2=-2

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