Question

Can someone please help

Answer 1

Answer: Select the first one

Explanation:

-6 multiplied 3 is -18

AND they both have power x which means -6x⁸ multiply 3x ⁻⁷

= -18 x⁸ ⁺⁽⁻⁷ ⁾(As the have same variable )

= -18 x⁸⁻⁷

=-18 x

Answer 2

-18x

you first times the numbers, which becomes -18

Next you add the exponent from the veriables (x) (if you're diving you're subtractiong example: x^a/x^b = x^a-b)

Sooo when you add them you get 8-7=1 which means.. x^1 (but you don't need to put the 1)

-18x