What is expand (x+y)(n+1)-3(n+1) ?

The solution to expand (x+y)(n+1)-3(n+1) is nx+x+ny+y-3n-3

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expand (x+y)(n+1)-3(n+1)

expand

(x + y) (n + 1) - 3 (n + 1)

n x + x + n y + y - 3 n - 3

Solution steps

(x + y) (n + 1) - 3 (n + 1)

Expand

(x + y) (n + 1) : n x + x + n y + y

= n x + x + n y + y - 3 (n + 1)

Expand

- 3 (n + 1) : - 3 n - 3

= n x + x + n y + y - 3 n - 3

6 \times 5

(- 2 - 9 i) (- 9 + 4 i)

63 \div 9

(3 x - 10) (x^{2} + 2 x - 1)

- 8 - 7

What is expand (x+y)(n+1)-3(n+1) ?
The solution to expand (x+y)(n+1)-3(n+1) is nx+x+ny+y-3n-3