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Algebra
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(4 + 2x)(1 + 2x) - (4)(1) = 6 Luisa knit a rectangular scarf that measures 4 feet by 1 foot. She wants to use the remaining 6 square feet of fabric to create a border around the scarf. How wide should the border of the blanket be? With that information how could I use a trinomial function to solve how wide the border should be?
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No :(
No?
\[4 + 10x + 4x ^{2}-10 = 0\] You solve for x and then plug it into 1+2x to get the width.
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