8x+5-(4x-2)
Pretend that there is a -1 in front of the bracket.
Multiply the bracket with -1
8x+5-1(4x-2)
8x+5-4x+2 ( Whenever multiplying a -negative number and a -negative number= + positive number. + Positive number times - negative number = -negative number
8x-4x+5+2 ( Just rearrange)
=4x+7
Answer: 4x+7
For this case we must simplify the following expression:
[tex]8x + 5- (4x-2)[/tex]
We apply distributive property to the terms within parentheses, taking into account that:
[tex]- * + = -\\- * - = +[/tex]
So:
[tex]8x + 5-4x + 2[/tex]
Adding similar terms taking into account that:
Equal signs are added and the same sign is placed.
Different signs are subtracted and the major sign is placed.
[tex]8x-4x + 5 + 2\\4x + 7[/tex]
Answer:
[tex]4x + 7[/tex]
