Fill in the blanks to make the statements true:

Common factor of ax² + bx is ……….. .

Fill in the blanks to make the statements true:

(x + a) (x + b) = x² + (a + b)x + ……….. .

Fill in the blanks to make the statements true:

The product of two polynomials is a ………. .

Fill in the blanks to make the statements true:

Factorised form of 18mn + 10mnp is ……… .

Fill in the blanks to make the statements true:

Factorised form of 4y² – 12y + 9 is ……… .