Factor -6 out of 18z - 15.

A factor is a term that is common in the whole expression thus the factor -6 out of 18z - 15 is -6(3z + 5/2).

An algebraic factor is the multiplication of two algebraic terms.

If we divide an algebraic factor by a factor that is available inside then the remainder after the division will be zero.

As per the given expression,

18z - 15

The factor out -6 will be,

⇒ -6(18z - 15)/(-6)

⇒ -6((-18/6)z + 15/6)

⇒ -6(3z + 5/2)

Hence "A factor is a term that is common in the whole expression thus the factor -6 out of 18z - 15 is -6(3z + 5/2)".

For more about the algebraic factor,

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d
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