What is expand (a+b+5)(a+b-5) ?

The solution to expand (a+b+5)(a+b-5) is a^2+2ab+b^2-25

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expand (a+b+5)(a+b-5)

expand

(a + b + 5) (a + b - 5)

a^{2} + 2 ab + b^{2} - 25

Solution steps

(a + b + 5) (a + b - 5)

Distribute parentheses

= aa + ab + a (- 5) + ba + bb + b (- 5) + 5 a + 5 b + 5 (- 5)

Simplify

aa + ab + a (- 5) + ba + bb + b (- 5) + 5 a + 5 b + 5 (- 5) : a^{2} + 2 ab + b^{2} - 25

= a^{2} + 2 ab + b^{2} - 25

\frac{x ^{2} - 64}{x ^{4} - 8 x ^{3}}

- 4 12 x^{16} y^{3}

\frac{( ( x + y ) ^{12} )}{( ( x + y ) ^{4} )}

\frac{( 3 y ^{5} ) ^{3}}{2 y ^{6}}

6 \cdot \frac{3}{2}

What is expand (a+b+5)(a+b-5) ?
The solution to expand (a+b+5)(a+b-5) is a^2+2ab+b^2-25