Some one help me with my bro’s hw

475604-71343= 404357

hope this helps<3

Below in bold.

Step-by-step explanation:

This is a subtraction.

  4 7 - -   0 4

-    -  1  3 4  -

 4 0 4 3 5 7

The 7 in the result is the result o 14 - 7 so the last digit of 2nd no. is 7

  4 7  -  -  0 4

-    -  1  3 4  7

 4 0 4 3 5  7

The second '-' on the top row is 7 ( from 7 - 4).   The 4 comes from the number 3 being increased by 1 ( carried form the second column).

  4 7  -  7  0 4

-    -  1  3  4  7

 4 0 4 3  5  7

The first '-' on the top row is 5 ( 5 - 1) = 4)

   4 7  5  7  0 4

-      -  1  3  4  7

  4 0 4  3  5  7

As the second digit on bottom row is 0 The first '-' on second row must be 7.

   4 7  5   7  0  4

-     7   1   3  4  7

  4 0  4   3  5  7

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb