Mathematics, 08.03.2020 01:46 allstar1255

(−2x^2+x+1)–(x^2–x+7)–(4x^2+2x+8)
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(−2x^2+x+1)–(x^2–x+7)–(4x^2+2x+8)
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(−2x^2+x+1)–(x^2–x+7)–(4x^2+2x+8) Please explain

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(−2x^2+x+1)–(x^2–x+7)–(4x^2+2x+8)
Please explain