Solution
Solution
Solution steps
Switch sides
Move to the left side
Solve with the quadratic formula
Simplify
Separate the solutions
The solutions to the quadratic equation are:
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Frequently Asked Questions (FAQ)
What are the solutions to the equation A=-5x^2+78x+21 ?
The solutions to the equation A=-5x^2+78x+21 are x=-(-39+sqrt(-5A+1626))/5 ,x=(sqrt(-5A+1626)+39)/5Find the zeros of A=-5x^2+78x+21
The zeros of A=-5x^2+78x+21 are x=-(-39+sqrt(-5A+1626))/5 ,x=(sqrt(-5A+1626)+39)/5