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posted by kayla Wednesday, January 19, 2011 at 11:40pm.
solve by using the quadratic equation: 5x^2+3=-7x
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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