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Subjects>Math>Other Math

Z squared equals 4z plus 21?

Updated: 4/28/2022

Wiki User

∙ 14y ago

Best Answer

(z=-3) and (z=7)

Wiki User

∙ 14y ago

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Q: Z squared equals 4z plus 21?

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What is the answer to -8z plus 12 equals 12 - 4z?

-8z + 12 = 12 - 4z-8z +4z + 12 = 12 - 4z +4z-4z + 12 -12 = 12 -12-4z / -4 = 0 / -4z = 0:)

What is 6z plus 4-4z equals 6 plus z-7 simplified?

6z-4z-z = 6-7-4 z = -5

3y plus 4z plus 12y equals 3y?

3y + 4z + 12y = 3y -3y -3y ------------------------- 4z + 12y = 0 divide everything by 4 z + 3y = 0 -3y -3y z = -3y

5x-2y plus 3z-2x-y-4z equals?

5x-2y+3z-2x-y-4z=3x-3y-z

What is 4z plus 2 plus 5z-3?

4z + 2 + 5z - 3 = 9z - 1

Related questions

What is 4z to the forth power plus 64z squared?

4z squared (z+4) (z+4)

11z plus 4z squared plus 10zsquared?

11z+√(4z)+√(10z)=11z+√(10z)+2*√(z)

What is the answer to -8z plus 12 equals 12 - 4z?

-8z + 12 = 12 - 4z-8z +4z + 12 = 12 - 4z +4z-4z + 12 -12 = 12 -12-4z / -4 = 0 / -4z = 0:)

4z plus 5 z equals what?

9z

What is 7 plus 4z equals 43?

7 + 4z = 437 + 4z -7 = 43 - 7 4z = 43 - 7 4z = 36 z = 9

How many factors in the expression 8x 4z squared 4z 7?

Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "equals", "squared", "cubed".

X plus y-z equals 2 -x-5y plus 2z equals 21 5x plus 4y-4z equals 12?

I used the matrix method to find the answer: x=4, y=-7, z=-5.

What is 6z plus 4-4z equals 6 plus z-7 simplified?

6z-4z-z = 6-7-4 z = -5

Find the possible value of z in the quadratic equation z squared -4z plus 4 equals 0?

z = 2 Factorised as (z - 2)(z - 2) = 0

3y plus 4z plus 12y equals 3y?

3y + 4z + 12y = 3y -3y -3y ------------------------- 4z + 12y = 0 divide everything by 4 z + 3y = 0 -3y -3y z = -3y

25x plus 12y plus 3z-15x-3y plus 4z equals?

its 10x +9y +1z

-6z plus 2 equals 3z plus 4z plus 28 How do you prove the answer -2 is correct?

-6z 2 = 3z+ 4z+28 -6z+2 +3z = 3z+ 4z +28 +4z -6z+4z+2 = 3z+ 28 -10z+2 -3z= 28 - 2 -10z + -3z = 26 -13z/13 = 26/-13 z = -2

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