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Answer:
(a-1) *(a^2 +a-1) (a+2)
Step-by-step explanation:
a^4+2a^3-a-2
Lets factor by grouping
a^4-a + 2a^3-2
Factor out an a from the first group and a 2 from the second group
a(a^3 -1) +2(a^3-1)
Factor out (a^3-1)
(a^3-1)(a+2)
We need to recognize that a^3-1 is the difference of cubes
(x^3-y^3) = (x-y) (x^2+xy+y^2)
Let x=a and y=1
(a-1) *(a^2 +a-1) (a+2)
This question is that 1 1/2
Answer:
3.98
Step-by-step explanation:
First, let us go to the second decimal place. the number here is 7, the number after is 5 which is greater than or equal to 5. Thus we round the 7 up to 8 giving us
3.98
Answer:
Step-by-step explanation:Show the steps on how you got the ansewer.