Which polynomial represents the difference below? 3x^2+8x+7-(4x^2-2x) a.–x2 + 6x + 7 b.–x2 + 10x + 7 c.3x2 + 4x + 7 d.3x2 + 6x + 7

− x^ 2 + 10 x + 7 so the answer is B.

                                                    hope it helps

Step-by-step explanation:

3x^2+8x+7-(4x^2-2x). find the difference of the polynomials

First remove the parenthesis by multiplying minus inside the parenthesis.

Now we combine like terms. the terms with same variables and same exponents are like terms.

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation:

only 10/60 isn't equivalent

hope this : )