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What does a plus minus a minus equal?
A positive number minus a negative number? x - -x is the same as x + x because the negative signs cancel each other out and become positive. So, when you see two negative signs right after the other, just add.
Why is it impossible to get a negative answer when you square any number?
V kno that- x- is +. Now when u sqare a negative no it means occouring 2 times and cancel out each other. For example- -2 x -2=4 ============================ (a second answer.) Every real number is either negative, positive or zero. When you square a number, you multiply it by itself, so if you square a negative number, you are multiplying a negative by a negative which gives a positive. If you square a positive, you multiply a positive by a positive and get a positive. If you square 0 , get 0. Therefore, in no case is the answer negative. ( It is harder to explain why a negative times a negative is positive.)
When dividing negative number by a positive number what is the results?
A negative number divided by a positive number will be a negative number. For example: -20 / 4 = -5 -100 / 2 = -50 Here are the other cases of division by positive or negative numbers. A negative number divided by a negative number would be a positive number. A positive number divided by a positive number would be a positive number. A positive number divided by a negative number would be a negative number.
What does a positive times a positive equal?
A positive number multiplied by another positive number yields a positive number. A negative number multiplied by another negative number also yields a positive number. Only multiplying a negative number by a positive number (or the other way around) yields a negative number as the product.
What happers if you multiply or divide two negative numbers?
When you divide or multiply two negative numbers they cancel each other out and you have a positive answer. We are measuring relationships instead of moving on a number line like addition or subtraction.
