Using long division solve $(12 x^{2} + 9 x - 7) \div 3 x$ $(12x^2+9x-7)-:3x$ ?

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Using long division solve $(12 x^{2} + 9 x - 7) \div 3 x$ $(12x^2+9x-7)-:3x$ ?

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Answer 1 · 2016-06-20T13:11:15

$4 x + 3 - \frac{7}{3 x}$ $4x+3-7/(3x)$

Explanation:

$(12 x^{2} + 9 x - 7) \div 3 x$ $(12x^2+9x-7) color(blue)(-:3x)$

$12 x^{2} + 9 x - 7$ $" "12x^2+9x-7$
$color(magenta)(4x)color(blue)((3x))->color(white)(.) ul(12x^2" ")larr" subtract"$
$" "0+9x-7$
$color(magenta)(3)color(blue)((3x))->" "ul(color(white)(.)9x" ")larr" subtract"$
$" "0color(magenta)(-7""larr" remainder")$
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$color(magenta)(4x+3-7/(color(blue)(3x)))$

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Using long division solve $(12 x^{2} + 9 x - 7) \div 3 x$ $(12x^2+9x-7)-:3x$ ?

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Using long division solve (12x^2+9x-7)-:3x(12x2+9x−7)÷3x(12x^2+9x-7)-:3x?

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Using long division solve $(12 x^{2} + 9 x - 7) \div 3 x$ $(12x^2+9x-7)-:3x$ ?