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jolli1 [7]
3 years ago
7

Item 8 factor −5 out of −10a−25.

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

To factor a number out of an expression means to divide each term of the expression by that number.

So, if you want to factor a from the expression x+y+z, you'll write it as

a\left(\dfrac{x}{a}+\dfrac{y}{a}+\dfrac{z}{a}\right)

So, in your case, when you divide both terms by -5 you get

-10a \div (-5) = 2a,\quad -25\div (-5) = 5

So, the expression becomes

-10a-25 = -5(2a+5)

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