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blagie [28]
3 years ago
8

8.5 17. Multiply & simplify: (3x - 2)2)

Mathematics
1 answer:
Margarita [4]3 years ago
3 0

Answer: =9x^2-12x+4

Step-by-step explanation:

\left(3x-2\right)^2

\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a-b\right)^2=a^2-2ab+b^2

=\left(3x\right)^2-2\cdot \:3x\cdot \:2+2^2

Simplify

=9x^2-12x+4

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3 years ago
Five times the result of adding one to a certain number, is equal to four times the number, plus three. Find the number
Galina-37 [17]

Answer:

The number is -2

Step-by-step explanation:

Let the number = x

Given that:

Five times the result of adding one to a certain number, is equal to four times the number, plus three.

The equation will be:

5(x+1) = 4x +3

Simplifying

5x + 5 = 4x +3

Taking terms with x on left side and others on right side

5x - 4x = 3 - 5   (sign of transferred terms will be changed)

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Proof :

Condition 1:

  • number = -2                                  
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Condition 2:

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Hence both conditions have same answer.

I hope it will help you!

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An employee at a health club takes home an after-tax salary of $950 every two weeks. If the tax rate is 8%, how much does the em
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Answer:

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Given data

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The employee make $1032.60 every two weeks before taxes

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3 years ago
Which point is located in quadrant IV?
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III (−, −) (−5, −4)
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