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How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1