m^2-4/7m-45=0

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Solution for m^2-4/7m-45=0 equation: 


m in (-oo:+oo)

m^2-((4/7)*m)-45 = 0

m^2+(-4/7)*m-45 = 0

m^2-4/7*m-45 = 0

DELTA = (-4/7)^2-(-45*1*4)

DELTA = 8836/49

DELTA > 0

m = ((8836/49)^(1/2)+4/7)/(1*2) or m = (4/7-(8836/49)^(1/2))/(1*2)

m = 7 or m = -45/7

m in { -45/7, 7 }

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