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sdas [7]
3 years ago
12

Factor the trionomial below. x^2 + 6x - 27

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
6 0

Answer:

(x−3)(x+9)

Step-by-step explanation:

The middle number is 6 and the last number is -27.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get 6

Multiply together to get -27

Can you think of the two numbers?

Try -3 and 9:

-3+9 = 6

-3*9 = -27

Fill in the blanks in

(x+_)(x+_)

with -3 and 9 to get...

(x-3)(x+9)

11111nata11111 [884]3 years ago
5 0

Answer:

(-3)(x+9)

Step-by-step explanation:

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3 years ago
Do the phrases 6 less a number y and 6 less than a number y mean the same thing? Explain. A. No, they do not both mean the same
Yuri [45]

Answer:

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Step-by-step explanation:

Given

Phrase 1: 6 less a number y

Phrase 2: 6 less than a number y

<em>Mathematically,</em>

Phrase 1 can be represented as follows;

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<em>Mathematically,</em>

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<em></em>

4 0
3 years ago
Find the remainder when f(x) = 5x3 + 7x + 5 is divided by x + 2.
serg [7]

Answer:

Option a) is correct  that is -49.

Step-by-step explanation:

We have been given  the  two functions in which one of them is dividend and the other one is divisor

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You can see the long division to find the remainder in the attachment.  

First step we do is to choose the quotient so as to cancel the first term

And proceed till you get the degree of divisor less than dividend.

Hence, the remainder we will get is -49

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