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sveticcg [70]
2 years ago
14

When the expression x2-3x-18 is factored completely,which is one of its factors?

Mathematics
1 answer:
lesya692 [45]2 years ago
4 0

Answer:

(x+3) and (x-6) are factors

Step-by-step explanation:

The given expression is :

x²-3x-18

We need to find the factors of the above expression.

We can solve it using middle term splitting. We find two integers such that there product is -18 and sum is -3. These two numbers can be -6 and 3.

x²-3x-18 = x²-6x+3x-18

= x(x-6)+3(x-6)  [taking common terms]

= (x+3) (x-6)

Hence, the factors of the above expression is (x+3) and (x-6).

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Answer:

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Step-by-step explanation:

To find the product of 6 and a number, first we denote the unknown number as s.

The product of 6 and s is the same as 6s.

If the product of both numbers is $7.80, then 6s = $7.80

The correct equation is therefore 6s = $7.80

To get the value of s, we will divide both sides by 6 to have:

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Based on the calculation, the following statements are true

- The correct equation is 6s = 7.80

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AVprozaik [17]

Answer:

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