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inysia [295]
3 years ago
10

Assessment 2 Solving Equations (w. Distribution). -7(-x + 8) + 2x = -5 - 8x show your work pleaes

Mathematics
2 answers:
Anton [14]3 years ago
6 0

Answer:

x=3. answer explained in picture

Jlenok [28]3 years ago
4 0

Answer:

-11-8 + 80 - -9

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Find the solution set of the inequality 14- 3x < -1.14
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Answer:

14-3x<-1.14

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-3x<-15.14

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8 0
3 years ago
Which of the following expressions can be factored by grouping? (Select all that apply.)
Greeley [361]

Answer:

Options (3), (4) and (5)

Step-by-step explanation:

1). a² - 9a + 7ab + 63b

  = a(a - 9) + 7b(a + 9)

  Now we can not solve this problem further.

  Therefore, can't be factored by grouping.

2). 3a + 4ab - b - 12

   = a(3 + 4b) - 1(b - 12)

   We can't solve it further.

   Therefore, can't be factored by grouping.

3). ab + 6b - 2a - 12

   = b(a + 6) - 2(a + 6)

   = (b - 2)(a + 6)

  We can be factored this expression by grouping.

4). x³ + 9x²+ 7x + 63

   = x²(x + 9) + 7(x + 9)

   = (x² + 7)(x + 9)

   Therefore, the given expression can be factored by grouping.

5). ay² + a - y² - 1

  = a(y² + 1) - 1(y² + 1)

  = (a - 1)(y² + 1)

  This expression can be factored by the grouping method.

Options (3), (4) and (5) are the correct answers.

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3 years ago
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