Question

Please jwb bsk dikumpulin

Answer 1

1. (2a+3b)+(a-2b)
=2a+3b+a-2b
=2a+a+3b-2b
=3a+b
2. (u^2-2u+1)-(u+5)
=u^2-2u+1-u-5
=u^2-2u-u+1-5
=u^2-3u-4
aku cuman tau 1dan 2