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

The solution to expand (7x+3y)(7x-3y) is 49x^2-9y^2

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expand (7x+3y)(7x-3y)

expand

(7 x + 3 y) (7 x - 3 y)

49 x^{2} - 9 y^{2}

Solution steps

(7 x + 3 y) (7 x - 3 y)

Apply Difference of Two Squares

(7 x + 3 y) (7 x - 3 y) : 49 x^{2} - 9 y^{2}

= 49 x^{2} - 9 y^{2}

(1 - 2)^{2}

(- 3) + (- 4)

(5 a + y)^{5}

(x + 3) (x^{2} + 3 x + 9)

(x - y) (x^{2} + y x + y^{2})

What is expand (7x+3y)(7x-3y) ?
The solution to expand (7x+3y)(7x-3y) is 49x^2-9y^2