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Formula
Calculate the value
$\dfrac{ \sqrt{ 7 } + \sqrt{ 5 } }{ 2 } + \dfrac{ \sqrt{ 7 } - \sqrt{ 5 } }{ 2 }$
$\sqrt{ 7 }$
Calculate the value
$\color{#FF6800}{ \dfrac { \sqrt{ 7 } + \sqrt{ 5 } } { 2 } } \color{#FF6800}{ + } \color{#FF6800}{ \dfrac { \sqrt{ 7 } - \sqrt{ 5 } } { 2 } }$
 Combine the fraction with the same denominator 
$\dfrac { \sqrt{ \color{#FF6800}{ 7 } } \color{#FF6800}{ + } \sqrt{ \color{#FF6800}{ 5 } } \color{#FF6800}{ + } \sqrt{ \color{#FF6800}{ 7 } } \color{#FF6800}{ - } \sqrt{ \color{#FF6800}{ 5 } } } { 2 }$
$\dfrac { \sqrt{ 7 } \color{#FF6800}{ + } \sqrt{ \color{#FF6800}{ 5 } } + \sqrt{ 7 } \color{#FF6800}{ - } \sqrt{ \color{#FF6800}{ 5 } } } { 2 }$
 Remove the two numbers if the values are the same and the signs are different 
$\dfrac { \sqrt{ 7 } + \sqrt{ 7 } } { 2 }$
$\dfrac { \sqrt{ \color{#FF6800}{ 7 } } \color{#FF6800}{ + } \sqrt{ \color{#FF6800}{ 7 } } } { 2 }$
 Calculate between similar terms 
$\dfrac { \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 7 } } } { 2 }$
$\color{#FF6800}{ \dfrac { 2 \sqrt{ 7 } } { 2 } }$
 Reduce the fraction 
$\sqrt{ \color{#FF6800}{ 7 } }$
Solution search results