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Formula
Expand the expression
Answer
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Factorize the expression
Answer
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$1-4b+4b ^{ 2 }$
$4 b ^ { 2 } - 4 b + 1$
Organize polynomials
$\color{#FF6800}{ 1 } \color{#FF6800}{ - } \color{#FF6800}{ 4 } \color{#FF6800}{ b } \color{#FF6800}{ + } \color{#FF6800}{ 4 } \color{#FF6800}{ b } ^ { \color{#FF6800}{ 2 } }$
$ $ Sort the polynomial expressions in descending order $ $
$\color{#FF6800}{ 4 } \color{#FF6800}{ b } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ - } \color{#FF6800}{ 4 } \color{#FF6800}{ b } \color{#FF6800}{ + } \color{#FF6800}{ 1 }$
$\left ( 2 b - 1 \right ) ^ { 2 }$
Arrange the expression in the form of factorization..
$\color{#FF6800}{ 1 } \color{#FF6800}{ - } \color{#FF6800}{ 4 } \color{#FF6800}{ b } \color{#FF6800}{ + } \color{#FF6800}{ 4 } \color{#FF6800}{ b } ^ { \color{#FF6800}{ 2 } }$
$ $ Expand the expression $ $
$\color{#FF6800}{ 4 } \color{#FF6800}{ b } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ - } \color{#FF6800}{ 4 } \color{#FF6800}{ b } \color{#FF6800}{ + } \color{#FF6800}{ 1 }$
$\color{#FF6800}{ 4 } \color{#FF6800}{ b } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ - } \color{#FF6800}{ 4 } \color{#FF6800}{ b } \color{#FF6800}{ + } \color{#FF6800}{ 1 }$
$ $ Use the factoring formula, $ a^{2}-2ab + b^{2} = \left(a-b\right)^{2}$
$\left ( \color{#FF6800}{ 2 } \color{#FF6800}{ b } \color{#FF6800}{ - } \color{#FF6800}{ 1 } \right ) ^ { \color{#FF6800}{ 2 } }$
Solution search results
search-thumbnail-$b^{2}$ $\dfrac {4} {b-2}+\dfrac {b^{2}-4b} {b-2}=-$ $\dfrac {b^{2}-4b+4} {b-2}$ 
$=\dfrac {\left(-211b+2} {b-2}^{\right)}$ 
$=b+2$
1st-6th grade
Algebra
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