Find the sum of these two trinomials.
(4a^3 – 5a^2 + 6a) + (a^3 + 2a - 3)

(4a^3 – 5a^2 + 6a) + (a^3 + 2a - 3)

Remove parentheses:

4a^3 – 5a^2 + 6a + a^3 + 2a - 3

Group like terms:

4a^3+a^3-5a^2+6a+2a-3

Add similar elements 4a^3+a^3:

4a^3+a^3= 5a^3

5a^3 -5a^2+6a+2a-3

Add similar elements 6a+2a:

6a+2a= 8a

5a^3-5a^2+8a-3

Your Answer Is 5a^3-5a^2+8a-3

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step-by-step explanation:

required rate of return = 0.166 = 16.6%

step-by-step explanation:

under the capital asset pricing model (capm), the required or expected rate of return for a particular security or asset is given using the formula:

required rate of return = risk-free rate + beta*(market risk premium)

we are given that;

risk-free rate = 4% = 0.04

beta = 1.4

market risk premium = 9% = 0.09

we simply plug these values into the above formula;

required rate of return = 0.04 + 1.4*(0.09)

required rate of return = 0.04 + 0.126

required rate of return = 0.166 = 16.6%