−x2 − 3x3 − x4

Evaluate each polynomial for x = 3 and for x = −3.

1 answer

Exponent is indicated by "^".

-x^2 - 3x^3 - x^4

You need to use parentheses to indicate the formula more exactly. For example, is it (-x)^2 or -(x^2)? For the value of 3, it would be 9 or -9 respectively. Is the second term -3(x^3) or -(3x)^3?

Get the idea?