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If you multiply (x^2 + 4x – 3)(2x^2 + x + 6), the answer (not in simplified and standard form) is 2x^4 + x^3 + 6x^2 + 8x^3 + 4x^2 + 24x - 6x^2 - 3x - 18, right? xD
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Which would simplify to..
Use this for checking http://www.wolframalpha.com/input/?i=%28x%5E2+%2B+4x+%E2%80%93+3%29%282x%5E2+%2B+x+%2B+6%29
Always use wolframalpha
2x^4 + 9x^3 + 4x^2 + 21x - 18. right? o.o
I don't understand wolfram. ._.
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Right!
CORRECTO!
wait.. wait.. so if i'm right, why did my teacher say I was wrong. D:
Your teacher is wrong lol
oh. well then. xD
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