(7m^2+60m-27)/(m+9)

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Solution for (7m^2+60m-27)/(m+9) equation: 


D( m )

m+9 = 0

m+9 = 0

m+9 = 0

m+9 = 0 // - 9

m = -9

m in (-oo:-9) U (-9:+oo)

(7*m^2+60*m-27)/(m+9) = 0

7*m^2+60*m-27 = 0

7*m^2+60*m-27 = 0

DELTA = 60^2-(-27*4*7)

DELTA = 4356

DELTA > 0

m = (4356^(1/2)-60)/(2*7) or m = (-4356^(1/2)-60)/(2*7)

m = 3/7 or m = -9

(m+9)*(m-3/7) = 0

m-3/7 = 0

m-3/7 = 0 // + 3/7

m = 3/7

m = 3/7

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