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Marizza181 [45]
3 years ago
12

Which rules of exponents will be used to evaluate the expression. Check all that

Mathematics
1 answer:
slamgirl [31]3 years ago
8 0

Answer:

We are given the expression:

Let us evaluate the expression step by step:

Step 1:

Power of a power: In this rule we multiply the powers 4 and (-5) in the numerator.

Step 2:

Quotient of power: Here we will subtract the power of denominator from numerator.

Step 3:

Negative exponent: Here we take reciprocal of what we got in step (2) , that will make the power positive.

Answer: We will use three rules as shown above .

Read more on Brainly.com - brainly.com/question/9374705#readmore

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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Find the sum and simplify
statuscvo [17]

<u>Answer</u>:

[ ( 2 x^2 - x - 5 ) ] / [ ( x + 2 ) ( x - 3 ) ]

option c). is correct.

<u>Step-by-step explanation</u>:

( x + 1 ) / ( x + 2 ) + ( x - 1 ) / ( x - 3 )

= > [ ( x + 1 ) ( x - 3 ) + ( x - 1 ) ( x + 2 ) ] / [ ( x + 2 ) ( x - 3 ) ]

= > [ ( x^2 - 3 x + x - 3 + x^2 + 2 x - x - 2 ) ] / [ ( x + 2 ) ( x - 3 ) ]

= > [ ( 2 x^2 - x - 5 ) ] / [ ( x + 2 ) ( x - 3 ) ]

Hence we get required answer!

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Step-by-step explanation:

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