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tester [92]
2 years ago
5

-4x+3 >-5 Solve for a

Mathematics
1 answer:
Tresset [83]2 years ago
4 0

Answer:

-4x+3>-5

or, -4x>-5-3

or, -4x>-8

or, -4x/-4<-8/-4

so, x<2

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Find all the zeroes of the equation. x4 – 6x2 – 7x – 6 = 0
NeX [460]

Answer:

-2, 3,  -0.5 + 0.866i,   -0.5 - 0.866i.

Step-by-step explanation:

As the last term is -6 , +/- 2 , +/- 3 are possible zeroes.

Try 2:-

(2)^4 - 6(2)^2 - 7(2) - 6 = -28 so  2 is not a zero.

3:-

(3)^4 - 6(3)^2 - 7(3) - 6 = 0 so 3 is a zero.

(-2)^4 - 6(-2)^2 - 7(-2) - 6 =  0 so -2 is also a zero.

Divide the function by (x +2)(x - 3),  that is  x^2 - x - 6

gives  x^2 + x + 1

x^2 + x + 1

So we have x^2 + x + 1 = 0

x =  [-1 +/- √(1^1 - 4*1*1)] / 2

= -1 + √(-3) / 2 , - 1 - √(-3)  / 2.

= -0.5 + 0.866i, -0.5 - 0.866i

7 0
2 years ago
3(x-2)+4(x-2)-5(x-2)
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Answer:

2x - 4

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

Thank you..

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