Negative x multiplied by 2 is negative 2x but negative x multiplied by (2) is positive x. The above answer is not correct, sorry. As the question is stated, indeed -x2 does equal -x2. Now, I would...
When you multiply variables with exponents, you add the exponents.
So the answer is x^4.
Of course in this case 2x2=2+2, but
x^3 multiplied by x^2 is x^5 not x^6
x2 + x - 2 is an expression, not an equation. An expression cannot be solved. There is no way of knowing if the expression is equal to 0 or 10 or -3/7 etc and so it cannot be solved. x2 + x - 2 is a...