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Gekata [30.6K]
3 years ago
9

Factor the expression below.

Mathematics
1 answer:
OverLord2011 [107]3 years ago
4 0

Answer:

(x + 8) (x - 8)

Step-by-step explanation:

To factorise the expression follow the steps:

Think the factorising means you want like:-

  ( x + _ ) ( x + _ )

Now, add the numbers to get 0 & multiple together to get -64

 -64 = 8 x -8

 8 + -8 = 0

Now fill the numbers in the factorising mean which will give you,

( x + _ ) ( x + _ ) --> ( x + <u>8</u> ) ( x - <u>8</u> )

Therefore, the answer will be: ( x + <u>8</u> ) ( x - <u>8</u> )

I hope this will help you :)

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The larger of two numbers is 1 more than twice the
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Answer:

Step-by-step explanation:

Hi there!

Let the smaller number be x and the larger number be 2x+1.

According to the question,

The sum of the numbers is 20 less than three

times the larger.

i.e x + (2x+1)= 3*(2x+1) - 20

or, x + 2x +1 = 6x + 3 -20

or, 3x + 1 = 6x - 17

or, 3x = 18

or x= 18/3

x = 6

And 2x+1 = 2*6+1 = 13.

Therefore the smaller number is 6 and larger number is 13.

Hope it helps!

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Step-by-step explanation:

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It'd be great if someone could help me on this!
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6 0
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