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OverLord2011 [107]
3 years ago
12

What are the solutions for x to the equation (x-3)(x+8)=0

Mathematics
1 answer:
hichkok12 [17]3 years ago
7 0

For this case we have a factored expression, of a second degree equation:

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

To find the solutions:

  • x-3 = 0

we add 3 to both sides of the equation:

x=3

  • x+8=0

We subtract 8 on both sides of the equation:

x = -8

Thus, the solutions of the equation are:

x_ {1} = 3\\x_ {2} = - 8

Answer:

x_ {1} = 3\\x_ {2} = - 8

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5k^3-8-4k^2+5k^2-2+3k^3
lara31 [8.8K]
<h3>I'll teach you how to solve 5k^3-8-4k^2+5k^2-2+3k^3</h3>

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5k^3-8-4k^2+5k^2-2+3k^3

Group like terms:

5k^3+3k^3-4k^2+5k^2-8-2

Add similar elements:

5k^3+3k^3+k^2-8-2

Add similar elements:

8k^3+k^2-8-2

Subtract the numbers:

8k^3+k^2-10

Your Answer Is 8k^3+k^2-10

Plz mark me as brainliest :)

7 0
3 years ago
What is the measure of c in Figure 1.6?
Lapatulllka [165]

Answer:

C. 65º

Step-by-step explanation:

180º- (62+53)=65º

a=65º

180º-(65+62)=53º

b=53º

180º-(53+62)=65º

c=65º

7 0
2 years ago
Read 2 more answers
Express 24 out of 80 as a percent
olga2289 [7]

Answer:

30%

Step-by-step explanation:

24/80 = 0.3

move the decimal over 2 times and you'll get your answer

6 0
3 years ago
Given: ∠1 and ∠2 are complementary angles.<br> Prove: ∠3 and ∠4 are complementary angles.
Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

If the measures of angles 1 and 2 are congruent, then the measures of 3 and 4 should also be congruent because they are vertical angles.

6 0
3 years ago
The graph of a linear function passess through the points (3, 19) and (5, 23). Write an equation for the function. Show your wor
Contact [7]

Answer:

y = 2x +13

Step-by-step explanation:

1. find the slope by using the formula y2-y1

                                                             --------

                                                             x2-x1

which is

23 - 19           4

------------ =     ---   = 2

5-3                 2

2. finding the y intercept

so to find the y intercept you plug in the numbers to this formula

y-y1 = m (x-x1)

y - 19 = 2 (x -3)

y - 19 = 2x -6

  +19          +19

y = 2x +13

8 0
3 years ago
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