Final Answer
Step-by-step Solution
Specify the solving method
For a simpler handling of the equation, change the sign of all terms, multiplying the entire whole by $-1$
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$3x^2-24x+42=0$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation -3x^2+24x+-42=0. For a simpler handling of the equation, change the sign of all terms, multiplying the entire whole by -1. Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (3) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-8xx+16.