3 years ago

According to exponent rules,when we divide the expressions we ________ the exponents.

Mathematics

1 answer:

Greeley [361]3 years ago

5 0

Answer:

Subtract

Step-by-step explanation:

According to the Quotient Of Powers Property to divide two powers with the same base, you subtract the exponents.

Ex: 9^12 - 9^9 = 9^3

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What is the complete factorization of the polynomial below

DerKrebs [107]

Answer:

$a. \ (x-2)(x+i)(x-i)$

Step-by-step explanation:

First of all let's notice that $(x-i)(x-i)=(x-i)^2 = x^2+2xi-1 \in \mathbb{C}$ while our original polynomial is real. So we can rule out the even options B and D. At this point, if the polynomial has a factor of $(x-\alpha)$ it means tha $\alpha$ is a zero of the polynomial. Let's check both 2 (for option a) and -2 (for option c)