Question

subtract
4a-7ab+3b+12 from 12a-9ab ​

Answer 1

Step-by-step explanation:

${:}\longrightarrow$

$(12a-9ab)-(4a-7ab+3b+12)$

${:}\longrightarrow$$12a-9ab-4a+7ab-3b-12$

${:}\longrightarrow$$12a-4a-9ab+7ab-3b-12$

${:}\longrightarrow$${\underline{\boxed{\bf {8a-2ab-3b-12}}}}$