1.) 4x -8 +12 =

By Posted on

2.) 7 – 2x – x + 5

3.) 3x² + 3y² – 5xy + 2x² – 5y² + 6xy

bntu jawab kak aljabar.
​

1.) 4x -8 +12 =

No 1

4x – 8 + 12=4x – 8 + 12

=4x + 4

No 2

7 – 2x – x + 5= -x – 2x + 7 + 5

= -3x + 12

No 3

3x² + 3y² – 5xy + 2x² – 5y² + 6xy

=3x² + 2x² + 3y² – 5y² + 6xy – 5xy

=5x² – 2y² + xy