k^2+3k-70=0

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Solution for k^2+3k-70=0 equation:


Simplifying
k2 + 3k + -70 = 0

Reorder the terms:
-70 + 3k + k2 = 0

Solving
-70 + 3k + k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-10 + -1k)(7 + -1k) = 0


Subproblem 1
Set the factor '(-10 + -1k)' equal to zero and attempt to solve:

Simplifying
-10 + -1k = 0

Solving
-10 + -1k = 0

Move all terms containing k to the left, all other terms to the right.

Add '10' to each side of the equation.
-10 + 10 + -1k = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -1k = 0 + 10
-1k = 0 + 10

Combine like terms: 0 + 10 = 10
-1k = 10

Divide each side by '-1'.
k = -10

Simplifying
k = -10

Subproblem 2
Set the factor '(7 + -1k)' equal to zero and attempt to solve:

Simplifying
7 + -1k = 0

Solving
7 + -1k = 0

Move all terms containing k to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -1k = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1k = 0 + -7
-1k = 0 + -7

Combine like terms: 0 + -7 = -7
-1k = -7

Divide each side by '-1'.
k = 7

Simplifying
k = 7
Solution
k = {-10, 7}

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