0
Z2 - 5Z + 4 = 0
(Z- 1)(Z - 4)
so,
Z = 1
----------
and
Z = 4
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∙ 12y ago
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When two numbers equal zero?
Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.
What is 4 minus 7 plus 3 plus 6 minus 9 plus 3?
Zero
If the common factor x plus 1 is divided out of the original expression the reduced expression will be equal to the original expression only when x does not equal?
x does not equal -1, because if x is minus 1, x plus 1 is zero and division by zero is not defined.
What does x minus x equal?
Zero
If vector c equals vector a plus vector b under what circumstances does c equal a minus b?
When b is zero.
What does a minus 6 and a plus 6 equal to?
Zero
What does zero minus negative three equal?
"minus zero" is the same as plus zero in that it makes no difference to the sum. So the answer is -3.
What is zero minus zero Does it equal orange?
Zero minus zero equals zero.
What is two minus zero minus zero plus zero?
It Equals 2
Can it be minus zero degrees?
No. Zero is neither plus nor minus.
When two numbers equal zero?
Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.
What is x minus x equal to?
It is equal to zero.
Is 20 plus minus 9 minus 11?
Zero
What is 4 minus 7 plus 3 plus 6 minus 9 plus 3?
Zero
If the common factor x plus 1 is divided out of the original expression the reduced expression will be equal to the original expression only when x does not equal?
x does not equal -1, because if x is minus 1, x plus 1 is zero and division by zero is not defined.
How do you solve minus 2x squared plus 10x minus 14 equal 0?
It can't be solved because the discriminant of this quadratic equation is less than zero
What does x minus x equal?
Zero
