To solve this problem, we first must rewrite each term in the form k times a^n so that we can compute the multiplication afterwards. To do this, we must remember that the square root of a is equivalent to a^(1/2) and that variables in the denominator have negative exponents. Using this knowledge, we can rewrite the given expression as:
a^(1/2) * (2a² - 4a^(-1))
Now, we must recall that when terms with the same base are multiplied together, we must add the exponents when simplifying. This step is shown below.
2a^(1/2 + 2) - 4a^(1/2 - 1)
The next step is to perform the addition of the exponents and obtain our final answer.
2a^(5/2) - 4a^(-1/2)
The above expression is your final answer.
Hope this helps!
Answer:
2x² + 23
Step-by-step explanation:
Distribute the -5 and combine like terms.
7x² + 3 - 5(x² - 4) =
= 7x² + 3 - 5x² + 20
= 2x² + 23
Answer:
b is the ans
Step-by-step explanation:
5+3a = 3-2a
So
5a = -2
a=-2/5=-0.4
(t + 8) (-2) = 12
Distributive property >>> -2t + -16 = 12
Inverse operation >>>> -2t + -16+16 = 12+16
Simplify >>>> -2t = 28
Divide >>>> -2t/-2 = 28/-2
Final answer >>>> t = -14
