It might be clearer if you think of it this way: Multiplication is repeated addition.
2 x 3 is the same as 3 + 3. They both equal 6.
2 x -3 is the same as -3 + -3. They both equal -6.
In the first case, you are increasing the amount of positive things. The answer will be positive.
In the second case, you are increasing the amount of negative things. The answer will be negative.
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A negative times a positive is always a negative.
-10 x -5 = +50A negative times a negative will always equal a positive number.A negative times a positive will always equal a negative number.A positive times a positive will always equal a positive number.- x - = +- x + = -+ x + = +
-49 A negative times a positive is always a negative.
The square of a number is always two numbers multiplied together. A positive times a positive is always positive, and a negative times a negative is always positive.
-25A negative times a positive will always be a negative.