Find the difference of (2×2 – 5x + 7) – (7×2 + 3)

Question

Find the difference of (2×2 – 5x + 7) – (7×2 + 3)

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Ben Gia 4 years 2021-07-25T12:29:24+00:00 1 Answers 7 views 0

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  1. Dau
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    2021-07-25T12:30:48+00:00
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    Answer:

    {\small{\boxed{\sf{\red{here \: is \: your \: solution..}}}}} \\ \\ {\small{\boxed{\sf{\purple{ = (2x {}^{2} - 5x + 7) - (7x {}^{2} + 3) }}}}} \\ \\ {\small{\boxed{\sf{\purple{ = 2x {}^{2}- 5x + 7 - 7x {}^{2} - 3 }}}}} \\ \\ {\small{\boxed{\sf{\pink{ = - 5x {}^{2} - 5x + 4 }}}}} \\ \\

    \small\mathfrak\green{hope \: it \: helps... |...| }

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )