quadratic equation of (2x+x)*x=189
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7.93 is the answer... study well
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(2x+x)*x =189
(3x)*x=189
3x^2=189
x^2 = 189/3
x^2=63
x=7.93
(3x)*x=189
3x^2=189
x^2 = 189/3
x^2=63
x=7.93
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