How do you solve 3k ^ { 2} + k - 30= 2k ^ { 2}3k2+k30=2k2?

1 Answer
Oct 15, 2017

:.k=5,-6

Explanation:

Move all the unknowns to one side.

3k^2+k-2k^2=30
k^2+k=30
From this, we can see that by moving 30 to the left hand side, we can form a quadratic equation and solve for k.
k^2+k-30=0

You can use the quadratic formula to solve for k or use a calculator to find the values.

:.k=5,-6