Problem 76 of 7
Solve 3x^2+10x+8=0 using the quadratic formula.
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substitute a, b, c and simplify.
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Equation must be in ax^2+bx+c=0 form before substitution.
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Solution
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1. Identify a, b, and c.
2. Substitute into x=(-b±sqrt(b^2-4ac))/(2a).
3. Simplify the two solutions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using the wrong sign for b in -b.