Question

) Add the following algebraic expressions using both horizontal and
Vertical methods.
a) 4a? + 86² + 6ab ; 3ab +762; 9a? - 562
b) 12x² – 20xy + 45 ; 45xy - 18x? - 23​

Answer 1

Answer:

i don't know sorry bro

Step-by-step explanation:

please mark as brainlist bro

Answer 2

Answer:

What is that question mark you have used for?

Step-by-step explanation:

Edit your question and immediately I will answer.