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solve by using the quadratic equation:

5x^2+3=-7x

1 answer

quadratic formula
x = (-b +- (sqrt(b^2 - 4ac))/2a

5x^2 + 3 = -7x
5x^2 + 7x + 3 = 0

a = 5, b = 7, c = 3

plug these into the formula and solve

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