SOLUTION: The value of c in the standard form of the equation 2a² + 4a - 40 = - 10

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Question 1184554: The value of c in the standard form of the equation 2a² + 4a - 40 = - 10
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
too obvious

c=-15, BUT THAT IS After completely simplifying the equation.