Write the algebraic expression without parentheses.
-(-2 + 7y) . Here are the multiple choices: -2 + 7y
2 - 7y
14y
2 + 7y

-(-2 + 7y), the algebraic expression is: 2 - 7y

Expert answered|andrewpallarca|Points 21063|

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Asked 4/14/2013 9:10:45 AM

Updated 7/15/2014 9:13:51 AM

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Evaluate the algebraic expression for the given value or values of the variable(s).
x2 - 3(x - y);x = 6 and y = 2 **Weegy:** It simplifies to 12-18+6=0 (More)

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Expert Answered

Updated 7/5/2014 11:27:29 PM

1 Answer/Comment

x^2 - 3(x - y); x = 6 and y = 2

6^2 - 3(6 - 2)

= 36 - 3(4)

= 36 - 12

= 24

6^2 - 3(6 - 2)

= 36 - 3(4)

= 36 - 12

= 24

Added 7/5/2014 11:27:28 PM

This answer has been confirmed as correct and helpful.

Solve the quadratic equation by factoring.
x2 + 5x - 24 = 0. Here are the multiple choices: {-8, 1}
{-8, 3}
{8, -3}
{8, 3} **Weegy:**
x2 + 5x - 5 = 0
Solutions:
Answer x = 1/2 (-5-3 sqrt(5))
x = 1/2 (3 sqrt(5)-5) (More)

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Expert Answered

Updated 7/25/2014 1:49:49 PM

1 Answer/Comment

x^2 + 5x - 24 = 0;

(x + 8)(x - 3) = 0;

x + 8 = 0; x = -8;

x - 3 = 0; x = 3

x = -8 or x = 3

(x + 8)(x - 3) = 0;

x + 8 = 0; x = -8;

x - 3 = 0; x = 3

x = -8 or x = 3

Added 7/25/2014 1:49:48 PM

This answer has been confirmed as correct and helpful.

Evaluate the algebraic expression for the given value or values of the variable(s).
3x - 4;x = -4 (Points : 2) Here are the multiple choices: -16
16
-8
8 **Weegy:**
3x - 4;x = -4;
3(-4) - 4 = -12 - 4 = -16
(More)

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Expert Answered

Updated 8/5/2014 10:58:08 PM

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6x + 2; x = 2 **Weegy:**
6x + 2; x = 2;
6(2) + 2 = 12 + 2 = 14
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Expert Answered

Updated 8/5/2014 10:59:10 PM

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Simplify the algebraic expression.
-3(2x - 5) - 4x + 8 . HERE ARE THE MULTIPLE CHOICES: -10x + 23
2x + 23
10x + 23
-10x - 7 **Weegy:**
-3(2x - 5) - 4x + 8,
-6x + 15 - 4x + 8
= -10x + 23
(More)

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Expert Answered

Updated 6/13/2014 11:02:08 AM

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