How do you factor and solve #3x^2+6x+3=0#?
2 Answers
We can Split the Middle Term of this expression to factorise it.
In this technique, if we have to factorise an expression like
and
After trying out a few numbers we get
Explanation:
Factor a
Realize that the inner portion is a perfect binomial square, equal to
Now, to solve for
You can check this by graphing the equation. The graph should touch the
graph{3x^2+6x+3 [-10.41, 12.09, -2.56, 8.7]}