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Formula
Expand the expression
Answer
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$3a- \{ 2b- \left( a-3b \right) \}$
$4 a - 5 b$
Organize polynomials
$3 a - \left ( 2 b \color{#FF6800}{ - } \left ( \color{#FF6800}{ a } \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ b } \right ) \right )$
$ $ Change the symbol of each term in parentheses when there is a (-) symbol in front of parentheses $ $
$3 a - \left ( 2 b \color{#FF6800}{ - } \color{#FF6800}{ a } + \color{#FF6800}{ 3 } \color{#FF6800}{ b } \right )$
$3 a - \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ b } \color{#FF6800}{ - } \color{#FF6800}{ a } \color{#FF6800}{ + } \color{#FF6800}{ 3 } \color{#FF6800}{ b } \right )$
$ $ Organize the similar terms $ $
$3 a - \left ( \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ + } \color{#FF6800}{ 3 } \right ) \color{#FF6800}{ b } \color{#FF6800}{ - } \color{#FF6800}{ a } \right )$
$3 a - \left ( \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ + } \color{#FF6800}{ 3 } \right ) \color{#FF6800}{ b } - a \right )$
$ $ Arrange the constant term $ $
$3 a - \left ( \color{#FF6800}{ 5 } \color{#FF6800}{ b } - a \right )$
$3 a - \left ( \color{#FF6800}{ 5 } \color{#FF6800}{ b } \color{#FF6800}{ - } \color{#FF6800}{ a } \right )$
$ $ Sort the polynomial expressions in descending order $ $
$3 a - \left ( \color{#FF6800}{ - } \color{#FF6800}{ a } \color{#FF6800}{ + } \color{#FF6800}{ 5 } \color{#FF6800}{ b } \right )$
$3 a \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ a } \color{#FF6800}{ + } \color{#FF6800}{ 5 } \color{#FF6800}{ b } \right )$
$ $ Change the symbol of each term in parentheses when there is a (-) symbol in front of parentheses $ $
$3 a + \color{#FF6800}{ a } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ b }$
$\color{#FF6800}{ 3 } \color{#FF6800}{ a } \color{#FF6800}{ + } \color{#FF6800}{ a } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ b }$
$ $ Organize the similar terms $ $
$\left ( \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ a } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ b }$
$\left ( \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ a } - 5 b$
$ $ Arrange the constant term $ $
$\color{#FF6800}{ 4 } \color{#FF6800}{ a } - 5 b$
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