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The area of a rectangular painting is given by the trinomial x2 + 4x - 21. What are the possible dimensions of the painting? Use factoring.

Megan Page

in Mathematics

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Bethany Evans on January 7, 2018

To find the dimensions that you can factor the equation x^2+4x-21x^2-3x+7x-21x(x-3)+7(x-3)(x+7)(x-3) and this is equal to LW or WLAnd note that x>3 for any possible solution.


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