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Find the factors of the following polynomials:

1. [tex]2m^2 - 5m[/tex]

2. [tex]a^2 - 25[/tex]


Sagot :

To find the factors of the polynomial [tex]\(2m^2 - 5m\)[/tex], let's proceed step by step:

1. Identify Common Factors:
First, we look for any common factors in each term of the polynomial [tex]\(2m^2 - 5m\)[/tex]. Both terms have an [tex]\(m\)[/tex] in common.

2. Factor Out the Greatest Common Factor (GCF):
Since [tex]\(m\)[/tex] is common in both terms, we factor out [tex]\(m\)[/tex] from the polynomial:
[tex]\[ 2m^2 - 5m = m(2m) - m(5) \][/tex]
When we factor [tex]\(m\)[/tex] out of [tex]\(2m^2\)[/tex], we get [tex]\(2m\)[/tex] and when we factor [tex]\(m\)[/tex] out of [tex]\(-5m\)[/tex], we get [tex]\(-5\)[/tex].

3. Express the Polynomial with the Common Factor:
After factoring out the [tex]\(m\)[/tex], we can rewrite the polynomial as:
[tex]\[ 2m^2 - 5m = m(2m - 5) \][/tex]

Thereby, the factored form of [tex]\(2m^2 - 5m\)[/tex] is:
[tex]\[ m(2m - 5) \][/tex]

This concludes our factorization of the polynomial [tex]\(2m^2 - 5m\)[/tex].