Question

which polynomial should subtract from (a²+3a+7) to get (2a²+7) ? (1) —a²3a (2) a²-3a (3) —a²+3a (4) a²+3a​

Answer 1

Answer:

I will be fainted by solving this question

Answer 2

Answer (3) -

$- {a}^{2} + 3a$