49 same as positive seven squared
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(-7)^2 = (+)49
Remember -7 x -7 = (+)49
Remember the table when using signs.
X + = +
X - = -
X + = -
X - = +
If no sign is in front of a number read it as plus(+)
-12 squared is 144.
Because in parenthesis you have to multiply it by something.
No. Negative three squared is POSITIVE nine. The square of ANY number is positive, because if you multiply a negative number by a negative number, the result is positive.
Well, honey, when you multiply x by negative x, you get negative x squared. It's like math's way of saying "two wrongs don't make a right, they make a negative." So, in this case, x times negative x equals negative x squared.
It is: -2x squared