6ab + a(a – b – 6b) + 4a(2b +a) – ab , para a= -1 e b=2 ME AJUDEM! É URGENTE

1 answer:

6 0

Answer:

-81

Step-by-step explanation:

replace the numbers you were given in a or b.

6(-12) -1(-1 – 2 – 6(2)) + 4(-1)(2(2) -1) -12

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