Question

(a-b)^2 +18(a-b)+81​

Answer 1

$(a - b) {}^{2} + 18(a - b) + 81$

$(a - b) {}^{2} + (18a - 18b) + 81$

$ab {}^{2} + ab + 81$

$a {}^{2} b {}^{3} + 81$

$81a {}^{2} b {}^{3}$

Answer 2

Step-by-step explanation:

a^2+b^2-2ab+18a-18b+81