What is expand (5/7 x-1/3 y)(5/7 x+1/3 y) ?

The solution to expand (5/7 x-1/3 y)(5/7 x+1/3 y) is (225x^2-49y^2)/(441)

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expand (5/7 x-1/3 y)(5/7 x+1/3 y)

expand

(\frac{5}{7} x - \frac{1}{3} y) (\frac{5}{7} x + \frac{1}{3} y)

\frac{225 x ^{2} - 49 y ^{2}}{441}

Solution steps

(\frac{5}{7} x - \frac{1}{3} y) (\frac{5}{7} x + \frac{1}{3} y)

Apply Difference of Two Squares

(\frac{5}{7} x - \frac{1}{3} y) (\frac{5}{7} x + \frac{1}{3} y) : \frac{225 x ^{2} - 49 y ^{2}}{441}

= \frac{225 x ^{2} - 49 y ^{2}}{441}

(x - 1 + 2) (x - 1 - 2)

(y + 3)^{2}

(1 + \frac{x}{2})^{12}

(1 + cos (x)) sin (x)

\frac{( x - 1 ) ( x + 3 ) ( x - 5 )}{( x + 2 ) ^{2} ( x - 4 )}

What is expand (5/7 x-1/3 y)(5/7 x+1/3 y) ?
The solution to expand (5/7 x-1/3 y)(5/7 x+1/3 y) is (225x^2-49y^2)/(441)