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Sergio [31]
3 years ago
6

1.1x+1.2x−5.4=−10 x=

Mathematics
1 answer:
katrin [286]3 years ago
6 0

1.1x+1.2x-5.4=-10x

Move all terms to the left:

1.1x+1.2x-5.4-(-10x)=0

Add all the numbers together, and all the variables

2.3x-(-10x)-5.4=0

Get rid of parentheses

2.3x+10x-5.4=0

Add all the numbers together, and all the variables

12.3x-5.4=0

Move all terms containing x to the left, all other terms to the right

12.3x=5.4

x=5.4/12.3

x=3.8571428571429/8.7857142857143

Hope it helps!

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Step-by-step explanation:

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3 years ago
Use synthetic division to find the result when 3x^3 + 13x^2 + x – 12 is divided by<br> X + 4.
IgorC [24]

Answer:

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Step-by-step explanation:

The way I like to do it is to get rid of the x's and just use the numbers in the case of synthetic division

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First bring down the 3

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      3

Multiply it by 4 then bring add it to the next number

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Add that number to the next one

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Finally repeat the step for the last number

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3x² + 1x - 3

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