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15c² - 5c. Factorise completely ​

15c 5c Factorise Completely class=

Sagot :

igoroleshko156

Looking at the problem, what we must do to complete this question is to completely factor the expression that was provided.  The expression that was provided is [tex]15c^2 - 5c[/tex].

The first step that we must do is to take a look at the expression and see what the two pieces of the expression have in common.  We can see that both [tex]15c^2[/tex] and [tex]-5c[/tex] have the number 5 and the variable c associated with them so we can factor out those two.

Factor out 5c

  • [tex]15c^2 - 5c[/tex]
  • [tex]5c(\frac{15c^2}{5c}) - 5c(\frac{5c}{5c})[/tex]
  • [tex]5c(3c) - 5c(1)[/tex]
  • [tex]5c(3c - 1)[/tex]

Now we have completely factored out the expression that was provided in the problem statement and we came to final answer of [tex]5c(3c - 1)[/tex].

meredith48034

Answer:

5c(3c - 1)

Step-by-step explanation:

Take out the 5c to factor out completely

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