Respuesta :

brundag05

Q.1.1

[tex]4m - n + 8n - 9m \\ 4m - 9n - 9m \\ = - 5m - 9n[/tex]

Q 1.2

[tex]ab + ( {a}^{2} - 2b)[/tex]

this can't be simplified.

Q. 1.3

[tex]4d - d(2d + 2) \\ 3d \times 2d + 2 \\ = 6d + 2[/tex]

Q.1.4

[tex]4(b - 2) + 6(b - 1) \\ 4b - 8 + 6b - 6 \\ = 10b - 2[/tex]

octobervxcvxc

Answer:

1.) -5m + 7n

2.) ab + a²-2b

3.) -2d² + 2d

4.) 10b + 2

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