Question

Factorise the following expressions. 

(i) 6ab + 12bc 

(ii) –xy – ay 

(iii) ax³ – bx² + cx 

(iv) l²m²n – lm²n²– l²mn² 

(v) 3pqr –6p²q²r² – 15r² 

(vi) x³y² + x²y³ – xy⁴ + xy 

(vii) 4xy² – 10x²y + 16x²y² + 2xy 

(viii) 2a³ – 3a²b + 5ab² – ab 

(ix) 63p²q²r²s – 9pq²r²s² + 15p²qr²s² – 60p²q²rs² 

(x) 24x²yz³ – 6xy³z² + 15x²y²z – 5xyz

Answer 1

(i) 6ab + 12bc

6b(a + 2c)