Question

pls help me answer these questions with explanation ​

Answer 1

x2 + xy + 9x + 9y

(ii) 6xy - 4y + 6 – 9x

(iii) 10ab + 6a + 5b +3

(iv) x3 + x2 + x + 1

(v) a2 – y + ay – a

(vi) x3 – x2y + 5x - 5y