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Formula
Calculate the value
Answer
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$a ^{ 2 } -ab \div a$
$a ^ { 2 } - a ^ { 0 } b$
Arrange the rational expression
$a ^ { 2 } \color{#FF6800}{ - } \color{#FF6800}{ a } \div a \times b$
$ $ If the exponent is omitted, the exponent of that term is equal to 1 $ $
$a ^ { 2 } \color{#FF6800}{ - } \color{#FF6800}{ a } ^ { \color{#FF6800}{ 1 } } \div a \times b$
$a ^ { 2 } - a ^ { 1 } \div \color{#FF6800}{ a } \times b$
$ $ If the exponent is omitted, the exponent of that term is equal to 1 $ $
$a ^ { 2 } - a ^ { 1 } \div \color{#FF6800}{ a } ^ { \color{#FF6800}{ 1 } } \times b$
$a ^ { 2 } - a ^ { 1 } \div \color{#FF6800}{ a } ^ { \color{#FF6800}{ 1 } } \times b$
$ $ Convert the division to multiplication and the exponent to the opposite symbol $ $
$a ^ { 2 } - a ^ { 1 } \color{#FF6800}{ a } ^ { \color{#FF6800}{ - } \color{#FF6800}{ 1 } } b$
$a ^ { 2 } \color{#FF6800}{ - } \color{#FF6800}{ a } ^ { \color{#FF6800}{ 1 } } \color{#FF6800}{ a } ^ { \color{#FF6800}{ - } \color{#FF6800}{ 1 } } b$
$ $ Add the exponent as the base is the same $ $
$a ^ { 2 } \color{#FF6800}{ - } \color{#FF6800}{ a } ^ { \color{#FF6800}{ 1 } \color{#FF6800}{ - } \color{#FF6800}{ 1 } } b$
$a ^ { 2 } - a ^ { \color{#FF6800}{ 1 } \color{#FF6800}{ - } \color{#FF6800}{ 1 } } b$
$ $ Remove the two numbers if the values are the same and the signs are different $ $
$a ^ { 2 } - a ^ { 0 } b$
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