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Eddi Din [679]
2 years ago
15

15c² - 5c. Factorise completely ​

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
7 0

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 15c^2 - 5c.

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 15c^2 and -5c have the number 5 and the variable c associated with them so we can factor out those two.

<u>Factor out 5c</u>

  • 15c^2 - 5c
  • 5c(\frac{15c^2}{5c}) - 5c(\frac{5c}{5c})
  • 5c(3c) - 5c(1)
  • 5c(3c - 1)

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

SVEN [57.7K]2 years ago
3 0

Answer:

5c(3c - 1)

Step-by-step explanation:

Take out the 5c to factor out completely

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3 years ago
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5 0
3 years ago
-3B+5=13<br> How do I solve for B
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Answer:

b = -2 2/3

Step-by-step explanation:

Isolate the variable, b. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 5 from both sides:

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3 years ago
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