PLEASE help me:( i'm desperate (and dumb):
factor 2n^(3)+7n^(2)-2n-7
Answers
2n^(3)+7n^(2)-2n-7
factor by grouping
2n^3 -2n + 7n^2-7
2n(n^2-1) + (7(n^2-1)
factor n^2-1 out
(n^2-1) (2n+7)
factor (n^2-1)
(n-1) (n+1) (2n+7)
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Answer is about 13. i hope this helps.
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Answer:
False
Step-by-step explanation:
Given: A cereal company used to fill the boxes with 16 ounces of cereal. They have reduced that amount to 14 ounces.
Decreased amount = 16 -14 = 2 ounces.
Now let's find the decreased percentage using the following formula.
Decrease percent =
=
=
= 12.5%
The percentage of decrease is 12.5%.
Therefore, the answer is false
%87.5 = .875 in decimal form
multiply 16 by 8.75 and it will give you 14
hope this helped
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Answers
Answer: convex
Step-by-step explanation:
hope this helps:)
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Answers
f(x + 2) = (x + 2)³ - 7
f(x + 2) = (x + 2)(x + 2)(x + 2) - 7
f(x + 2) = (x(x + 2) + 2(x + 2))(x + 2) - 7
f(x + 2) = (x(x) + x(2) + 2(x) + 2(2))(x + 2) - 7
f(x + 2) = (x² + 2x + 2x + 4)(x + 2) - 7
f(x + 2) = (x² + 4x + 4)(x + 2) - 7
f(x + 2) = (x²(x + 2) + 4x(x + 2) + 4(x + 2)) - 7
f(x + 2) = (x²(x) + x²(2) + 4x(x) + 4x(2) + 4(x) + 4(2)) - 7
f(x + 2) = (x³ + 2x² + 4x² + 8x + 4x + 8) - 7
f(x + 2) = (x³ + 6x² + 12x + 8) - 7
f(x + 2) = x³ + 6x² + 12x + 8 - 7
f(x + 2) = x³ + 6x² + 12x + 1
g(x) = f(x + 2) + 4
g(x) = (x³ + 6x² + 12x + 1) + 4
g(x) = x³ + 6x² + 12x + 1 + 4
g(x) = x³ + 6x² + 12x + 5