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masya89 [10]
3 years ago
5

Subtract 5x^2-8x-1 from -(5x^2 -x - 8).

Mathematics
2 answers:
geniusboy [140]3 years ago
8 0

Answer:

−

2

x

2

+

6

x

+

4

Explanation:

(

3

x

2

+

8

x

−

7

)

−

(

5

x

2

+

2

x

−

11

)

(

3

x

2

−

5

x

2

)

+

(

8

x

−

2

x

)

+

(

−

7

+

11

)

−

2

x

2

+

6

x

+

4

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Or if you prefer:

...

.

.

3

x

2

+

8

x

−

7

...

.

.

5

x

2

+

2

x

−

11

−−−−−−−−−−−−

←

Subtract

.

−

2

x

2

+

6

x

+

4

Step-by-step explanation:

have a good day

Jobisdone [24]3 years ago
3 0

Answer:

-10x² - 7x + 7

Step-by-step explanation:

Subtract:

  • -5x² - 8x - 1 - (5x² - x - 8)
  • -5x² - 5x² - 8x + x - 1 + 8
  • -10x² - 7x + 7

Remember: subtracting a negative number is adding that number

-Chetan K

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Putting the question's given information into the formula gives you

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3 years ago
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Given O A ‾ ⊥ O C ‾ OA ⊥ OC start overline, O, A, end overline, \perp, start overline, O, C, end overline m ∠ B O C = 6 x − 6 ∘
Lelu [443]

Answer:

m∠BOC = 40°

Step-by-step explanation:

Given O A ‾ ⊥ O C ‾ OA ⊥ OC m∠BOC=6x−6 ∘

m∠AOB=5x+8 ∘

Find m ∠ B O C:

This means that: m∠BOC and m∠AOC intersect at a right angle.

Hence:

m∠BOC + m∠AOC = 90°

Step 1

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x = 88/11

x = 8

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m∠BOC = 6(8) - 8

= 48 - 8

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7 0
3 years ago
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