Question

plis bantu kk Jangan asal asal ya kk ku mohon ​

Answer 1

2. a. -3m+4n-6+7n-8m+10

(-3-8)m+(4+7)n+(-6+10)

= -11m+11n+4✔️

b. 15a+7b-5c+(-11)a-12b+13d

(15-11)a+(7-12)b-5c+13d

=4a-5b-5c+13d✔️

3. a. -3m+4n-6-7n-8m+10

= (-3-8)m+(4-7)n+(-6+10)

= -11m-3n+4✔️

b. 15a+7b-5c-(-11a)-12b+13d

= (15+11)a+(7-12)b-5c+13d

=26a-5b-5c+13d✔️