30q^2-85q-70=0

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Solution for 30q^2-85q-70=0 equation:


Simplifying
30q2 + -85q + -70 = 0

Reorder the terms:
-70 + -85q + 30q2 = 0

Solving
-70 + -85q + 30q2 = 0

Solving for variable 'q'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-14 + -17q + 6q2) = 0

Factor a trinomial.
5((-2 + -3q)(7 + -2q)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-2 + -3q)' equal to zero and attempt to solve: Simplifying -2 + -3q = 0 Solving -2 + -3q = 0 Move all terms containing q to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3q = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3q = 0 + 2 -3q = 0 + 2 Combine like terms: 0 + 2 = 2 -3q = 2 Divide each side by '-3'. q = -0.6666666667 Simplifying q = -0.6666666667

Subproblem 2

Set the factor '(7 + -2q)' equal to zero and attempt to solve: Simplifying 7 + -2q = 0 Solving 7 + -2q = 0 Move all terms containing q to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2q = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2q = 0 + -7 -2q = 0 + -7 Combine like terms: 0 + -7 = -7 -2q = -7 Divide each side by '-2'. q = 3.5 Simplifying q = 3.5

Solution

q = {-0.6666666667, 3.5}

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