Question

Answer fast
spam ❌= reported​

Answer 1

Answer:

i'm lazy so... only answer okay.? no explanation

Explanation:

a^2+7b^2+13ab+a

=a^2=(1+1+1+(-2))

=b^2=1+4+1+1

ab=2+6+4+1+a

=a^2+7b^2+13ab+a

here is ur answer