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coldgirl [10]
2 years ago
10

%20-%202x%20-%208%29" id="TexFormula1" title="( {3 x}^{2} - 4x + 8) + ( - {x}^{2} - 2x - 8)" alt="( {3 x}^{2} - 4x + 8) + ( - {x}^{2} - 2x - 8)" align="absmiddle" class="latex-formula">
a.
{2x}^{2}  - 6
b.
{2x}^{2}  - 2x
c.
{2x}^{2}  - 6x + 1
d.
{2x}^{2} + 6
​
Mathematics
1 answer:
MakcuM [25]2 years ago
5 0

Answer:

A. 2x^2 - 6x

Step-by-step explanation:

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Simplify by combining like terms: 9x - 3y -5x + 2y -x + 2
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Answer:

3x-y=-2

Step-by-step explanation:

9x-5x-x-3y+2y=-2

3x-y=-2

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Simplify each expression. Use a slash () to show a fraction. Do not use any spaces.<br> -(3)^2
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Answer:

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Step-by-step explanation:

-(3)^2

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I don't understand this, I have the answer but I don't know or how to explain my work.
svp [43]

Answer:

B

Step-by-step explanation:

0.25 = 1/4 = 5/20

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8 0
2 years ago
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3 years ago
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<img src="https://tex.z-dn.net/?f=%5Csf%202x%2B7%2B8x%3D35" id="TexFormula1" title="\sf 2x+7+8x=35" alt="\sf 2x+7+8x=35" align="
Dafna11 [192]

Answer:

x=14/5

Step-by-step explanation:

Group like terms

2x+8x+7=35

Add similar elements: 2x+8x=10x

10x+7=35

Subtract 7 from both sides:

10x+7−7=35−7

Simplify

10x=28

Divide both sides by 10

10x/10 =28/10

Simplify:

x=14/5

7 0
3 years ago
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