Question

6x^3[(3x-40+(4x+2)] please show work

Answer 1

6x^3*[3x-40+4x+2] (no distribution in brackets)

6x^3*[7x-38] (combine like terms)

42x^4-228x^3

Answer 2

how did you get the 40 in the first line. ?

Answer 3

... you posted it as part of the question,

"6x^3[(3x-40+(4x+2)] please show work"

Answer 4

oh, shoot, im so sorry . i meant to put 4.

Answer 5

thats fine, the method is the same, just becomes

6x^3*[3x-4+4x+2] (no distribution in brackets)

6x^3*[7x-2] (combine like terms)

42x^4-12x^3

Answer 6

thanks so much.

Answer 7

Just for reference the other way to write this is x^3(42x-2)