You can put this solution on YOUR website! Im not quite sure how to factor trinomials of the type ax^2+bx+c and get the right answer.
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Different quadratics are factored in different ways.
x^2-16 = (x+4)(x-4)
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x^2+4x+4 = (x+2)^2
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x^2+4x+5 can be factored with the quadratic formula.
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Cheers,
Stan H.