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tester [92]
3 years ago
10

Expand to write an equivalent expression: -1/4(-8x+12y)

Mathematics
1 answer:
Iteru [2.4K]3 years ago
7 0

Answer:

2x-3y

Step-by-step explanation:

-1/4×-8x= 8/4x = 2x

-1/4×12y= - 12y/4 = -3y

2x-3y

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Rewrite the function f(x)=4(x-2)²-8 in the form f(x)=ax²+bx+c.
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Answer:

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4x^2 - 16x + 8

Step-by-step explanation:

4(x-2)^2-8

4(x-2)(x-2)-8

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4x^2 - 16x +16 - 8

4x^2 - 16x + 8

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Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2).
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2x^3 + x^2 - 4x - (9x^3 - 3x^2) =
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Galina-37 [17]

Answer:

b) 94

Step-by-step explanation:

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68+26+x=180.

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What is the justification for step 2 in the solution process?
gulaghasi [49]

Answer: OPTION B.

Step-by-step explanation:

Given the following equation:

10x - 25 - 3x = 4x- 1

These are the steps to solve it:

<em>Step 1</em>

Add like terms on the left side of the equation:

7x -25= 4x - 1

<em>Step 2</em>

Apply Addition property of equality, which states that: If\ a=b\ then\ a+c=b+c

Then, we can add 25 to both sides of the equation:

7x -25+(25)= 4x - 1+(25)\\\\7x=4x+24

<em>Step 3</em>

Applying the Subtraction property of equality, we can subtract 4x from both sides:

7x-4x=4x+24-(4x)\\\\3x=24

<em>Step 4</em>

Applying the Division property of equality, we can both sides of the equation by 3. Then:

\frac{3x}{3}=\frac{24}{3}\\\\x=8

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............................

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