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goblinko [34]
3 years ago
6

Solve the problem by quadratic equation :  25x2  -9 = 0​

Mathematics
1 answer:
Sidana [21]3 years ago
3 0

Answer:

41

Step-by-step explanation:

Bodmas

25*2=50

50 -9=41

ans =41

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A)- 5x-9<br> b)- 6x+20<br> c)- 6x^2-23x+20<br> d)- 6x^2-14-9
likoan [24]
Multiply:  (3x-4)(2x-5)

This comes out to 6x^2 - 15x - 8x + 20

Combine the x terms and you'll be done.


6 0
3 years ago
What is x in 3x+3= -2x-12
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3x+3=-2x-12 \\ 3x+2x=-12-3 \\ 5x=-15 \\ x=-3 \\ \\ \text{The answer is x=-3 ;)}
7 0
3 years ago
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HELP i cant really understand how to work it out... its algebra btw.
marishachu [46]

Answer:

A because you can go into the numbers evenly

Step-by-step explanation:

6 0
3 years ago
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If g(x)= 2x-1, and h(x)= square root of x, find (goh)(9)
loris [4]
(goh) = 2(x^1/2)-1
(goh)(9) = 2(9^1/2)-1
= 2(3)-1
= 6-1
= 5
(goh)(9) = 5
5 0
3 years ago
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HELPPPPPP pleeeeease
dusya [7]

Answer: x = 2 Hope this helps, please consider making me Brainliest.

Step-by-step explanation:

Let's solve for x:

4x + 6 + 2x = 18

4x + 2x = 12

6x = 12

x = 2

Hope this helps, please consider making me Brainliest.

8 0
2 years ago
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