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Solve 9x^2-12x+5=0 (no solution, using quadratic formula)
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You can TRY to factor this by a method called "decomposition".
Find two numbers that multiply to 45 and add to -12.
But those numbers aren't real.
So you need the quadratic formula instead.
Find two numbers that multiply to 45 and add to -12.
But those numbers aren't real.
So you need the quadratic formula instead.
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