3 years ago

Ijknjhyuyyyyyyyyyyy4e47899986756ftv

Mathematics

1 answer:

Brrunno [24]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

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-7y^6 x 3y^2 multiply

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Simplify x^2-4x+4/x^2-4

MatroZZZ [7]

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x2 - 4x - 4

———————————

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Step-by-step explanation:

4 0

3 years ago

z 5 − z+2 2z+4 =−3 space, startfraction, 5, divided by, z, end fraction, minus, start fraction, 2, z, plus, 4, divided by, z

yan [13]

Answer:

The sum of all the possible values for z that satisfy the above equation is -5.

Step-by-step explanation:

The given equation is

$\frac{5}{z}-\frac{2z+4}{z+2}=-3$

We need to find the sum of all the possible values for z that satisfy the above equation.

The given equation can be rewritten as

$\frac{5}{z}-\frac{2(z+2)}{z+2}=-3$

Cancel out common factors.

$\frac{5}{z}-2=-3$

Add 2 on both sides.

$\frac{5}{z}-2+2=-3+2$

$\frac{5}{z}=-1$

$5=-z$

Multiply both sides by -1.

$-5=z$

Only z=-5 satisfy the given equation.

Therefore the sum of all the possible values for z that satisfy the above equation is -5.

8 0

3 years ago

Is this right? Please help me

aliina [53]

I think you’re right because I put the same thing on my quiz

5 0

3 years ago