Evaluate the algebraic expression x^4 - x^2 for x = 2
1 answer:
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Answer:
C,
Step-by-step explanation:
Euler's formula:
Looking at the expression in the parentheses, your x is explicitly given to you as , so using Euler's formula:
Which is C.
36 becomes a negative
First -36 + -1 -37
Next: -18 + -2 = -20
Next: -12 + -3 = -15
Next: -9 + -4 which equals -13
Finally we get to the last part: -6 + -6 = -12
We change z2 to
- 6(z) = 36
z(z) - 6
Because, we add up for the first two terms
Switch up, up the problem 6(z) - 6
Now, let's add the number 4 on the terms
z - 6 (z - 6)
Then, let's multiply z - 6 from z - 6
From this problem we have to add 6 from the sides that we are working with
Therefore, your answer for z is 6
First -36 + -1 -37
Next: -18 + -2 = -20
Next: -12 + -3 = -15
Next: -9 + -4 which equals -13
Finally we get to the last part: -6 + -6 = -12
We change z2 to
z(z) - 6
Because, we add up for the first two terms
Switch up, up the problem 6(z) - 6
Now, let's add the number 4 on the terms
z - 6 (z - 6)
Then, let's multiply z - 6 from z - 6
From this problem we have to add 6 from the sides that we are working with
Therefore, your answer for z is 6