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3 years ago

X+ 4x + 6x what is the answer in struggling really bad#

Mathematics

2 answers:

lawyer [7]3 years ago

6 0

x is a letter which is called a variable in algebra.

It stands for a number. It can be any number, but it can be only one number at a time.

If you have just x, then it is the same as 1x.

You have 1x, meaning you have 1 time an unknown number.

Then you add to it 4x, or 4 times the same unknown number.

Then you add to it 6x, or 6 times the same unknown number.

1 + 4 + 6 = 11

That means you now have 11 times the unknown number x, or 11x

x + 4x + 6x = 11x

ziro4ka [17]3 years ago

5 0

x + 4x + 6x = 5x + 6x = 11x

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3 years ago

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3 years ago

Ean: jenny wants to make three pillow cases using fourteen feet of fabric. She plans to use an equal amount of fabric for each p

Veseljchak [2.6K]

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3 years ago

Factor completely<br> 9-6a-24a^2

Natasha_Volkova [10]

-24a²- 6a +9 = - 3(8a² +6a - 9)

8a² +6a - 9 =0

x=(-b +/-√(b² - 4ac))/2a
x = (-6 +/-√(36+4*8*9) /(2*8) = (-6 +/-√(324)  /16 =  (-6 +/-18)/16
x1 =  (-6 +18)/16 = 0.75
x2 =  (-6 -18)/16 = - 1.5

-24a²- 6a +9 = - 3(8a² +6a - 9) = -3(a - 0.75)(a + 1.5)

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3 years ago

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