Toán Lớp 8: (2x^3 + x^2 – 8x +3) : (2x – 3)
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Toán Lớp 8: (2x^3 + x^2 – 8x +3) : (2x – 3)
Comments ( 2 )
Giải đáp:
(2x^3 + x^2 – 8x + 3) : (2x – 3) = x^2 + 2x – 1
Lời giải và giải thích chi tiết:
$\left(2x^3\:+\:x^2\:-\:8x\:+3\right)\::\:\left(2x\:-\:3\right)$
$=\left(2x-3\right)\left(x^2+2x-1\right):\left(2x\:-\:3\right)$
$=x^2+2x-1$