What is expand (m-n)^2+6(m-n)+9 ?

The solution to expand (m-n)^2+6(m-n)+9 is m^2-2mn+n^2+6m-6n+9

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expand (m-n)^2+6(m-n)+9

expand

(m - n)^{2} + 6 (m - n) + 9

m^{2} - 2 mn + n^{2} + 6 m - 6 n + 9

Solution steps

(m - n)^{2} + 6 (m - n) + 9

Expand

(m - n)^{2} : m^{2} - 2 mn + n^{2}

= m^{2} - 2 mn + n^{2} + 6 (m - n) + 9

Expand

6 (m - n) : 6 m - 6 n

= m^{2} - 2 mn + n^{2} + 6 m - 6 n + 9

\frac{12.04}{100} \cdot 0.42

- \frac{27}{32} \div \frac{9}{4}

(3 x^{2} + 6 x) + (4 x^{2} - 8 x)

(x + 6)^{2} - 16

- 2 x^{3} + x

What is expand (m-n)^2+6(m-n)+9 ?
The solution to expand (m-n)^2+6(m-n)+9 is m^2-2mn+n^2+6m-6n+9