((7a-15)/(a^2-36))-((2a-15)/(a^2-36))

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Solution for ((7a-15)/(a^2-36))-((2a-15)/(a^2-36)) equation: 


D( a )

a^2-36 = 0

a^2-36 = 0

a^2-36 = 0

1*a^2 = 36 // : 1

a^2 = 36

a^2 = 36 // ^ 1/2

abs(a) = 6

a = 6 or a = -6

a in (-oo:-6) U (-6:6) U (6:+oo)

(7*a-15)/(a^2-36)-((2*a-15)/(a^2-36)) = 0

(7*a-15)/(a^2-36)+(-1*(2*a-15))/(a^2-36) = 0

7*a-1*(2*a-15)-15 = 0

5*a = 0

(5*a)/(a^2-36) = 0

(5*a)/(a^2-36) = 0 // * a^2-36

5*a = 0

5*a = 0 // : 5

a = 0

a = 0

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