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Timed Test For
Add & subtract polynomials challenge
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Sample Problem
**Subtract $11b^2-4b+7$ from $b^2+8b-9$.** *Your answer should be a polynomial in standard form.* [[☃ expression 1]]
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)