Which expression does not factor?

m3 + 1
m3 – 1

m2 + 1

m2 – 1

Explanation:

All the other expressions can be factorized. Let's see why:

1)

This is the sum of the cubes, and this can be factorized as follows:

In this case, a=m and b=1, so we can factorize as

2)

This is the difference between two cubes, and this can be factorized as follows:

In this case, a=m and b=1, so we can factorize as

3)

This is the difference between two square numbers, and it can be factorized as follows

In this case, a=m and b=1, so we can factorize as

Option C. is the right option

Step-by-step explanation:

In this question we will take each option and try to factorize them.

Option A.

(m³ + 1) = (m + 1)(m² + 1² - 1.m) = (m + 1).(m² - m + 1)

[ since (a³ + b³) = (a + b).(a² + b² - ab)]

So can be factored.

Option B.

(m³ - 1) = (m - 1).(m² + m + 1)

[ since a3 + b³= (m - 1)(m² + m + 1)

So expression can be factored.

Option C.

(m² + 1) This expression is in the factored form.

Option D.

(m² - 1) = (m + 1)(m - 1)

[(a² - b²) = (a - b)(a + b)]

So expression can be factored.

Finally the answer is Option C.

24

step-by-step explanation:

the  office resources  are the human, physical and financial  resources  which are utilized for performing all the activities in order to achieve the organizational objectives.

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