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Earn +20 ptsQ: What is z sqared minus 5z plus 4 equal zero?
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Continue Learning about Math & Arithmetic
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.
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