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Formula
Factorize the expression
Answer
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$25x ^{ 2 } -81y ^{ 2 }$
$\left ( 5 x - 9 y \right ) \left ( 5 x + 9 y \right )$
Arrange the expression in the form of factorization..
$\color{#FF6800}{ 25 } \color{#FF6800}{ x } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ - } \color{#FF6800}{ 81 } \color{#FF6800}{ y } ^ { \color{#FF6800}{ 2 } }$
$ $ Factorize to use the polynomial formula of sum and difference $ $
$\left ( \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \color{#FF6800}{ y } \right ) \left ( \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 9 } \color{#FF6800}{ y } \right )$
$\left ( \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \color{#FF6800}{ y } \right ) \left ( \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 9 } \color{#FF6800}{ y } \right )$
$ $ Sort the factors $ $
$\left ( \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 9 } \color{#FF6800}{ y } \right ) \left ( \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \color{#FF6800}{ y } \right )$
Solution search results
search-thumbnail-
4. Factorise : 
$\left(i\right)$ $25x^{2}-y^{2}$ $\left(i\right)$ $25x^{2}-16y^{2}$ $\left(iii\right)$ $1-9x^{2}$ 
$\left(iv\right)$ $4-25x^{2}$ $\left(v\right)$ $36-z^{2}$ $\left(wi\right)x^{2}-81y^{2}$ 
$.$ $\left(w\vec{i} \right)$ $\left(x+y\right)^{2}-1$ $\left(∪iii\right)$ $x^{4}-1$ $\left(ix\right)$ $x^{4}-y^{6}$
7th-9th grade
Algebra
search-thumbnail-$4225x^{4}-130x^{2}-3$ $+36y^{2}-81y^{4}$
7th-9th grade
Algebra
search-thumbnail-$4225x^{4}$ $-130x^{2}-3$ $+36y^{2}-81y^{4}$
7th-9th grade
Algebra
search-thumbnail-$5.$ $4225x^{4}-130x^{2}-3$ $+36y^{2}-$ $81y^{4}$
10th-13th grade
Algebra
search-thumbnail-$\left(x$ $-9\right)$ $\left(5x-1\right)$ $\left(4x-9y\right)$ $\left(9x+20y^{2}\right)$ $\left(2x-7\right)$ $4x$ 
$\left(4x$ $+9y\right)$ $\left(2x$ $+7\right)$ $\left(x$ $+9\right)$ $\left(5x$ $+1\right)$ $\left(9x-20y^{2}\right)$ 
$x^{2}-81$ I 
$1$ $2$ $4x^{2}-49$ || 
$3$ $16x^{2}-81y^{2}$ || 
4. $25x^{2}-1$ | 
5. $81x^{2}-400y^{4}$ | 
en I broke It, I found It!
10th-13th grade
Other
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