**Factorisation of expressions of the form ax^{3}+bx^{2}+cx**

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- Question 1 of 10
##### 1. Question

Factorise

*x*^{3}+7*x*^{2}+12*x*A.Â

*x*(*x*^{2 }+7*x*+12)B.Â

*x*(*x*+3)(*x*+4)C.Â

*x*(*x*-3)(*x*-4)CorrectIncorrect - Question 2 of 10
##### 2. Question

Factorise 2

*x*^{3}+ 5*x*^{2}+2*x*A.Â

*x*(2*x*+1)(*x*+2)B.Â

*x*(2*x*^{2}+5*x*+2)C.Â

*x*(*x*+1)(2*x*+2)CorrectIncorrect - Question 3 of 10
##### 3. Question

Factorise 2

*x*^{3}+10*x*^{2}+8*x*A.

*x*(2*x*^{2}+5*x*+4)B. 2

*x*(*x*^{2}+5*x*+4)C. 2

*x*(*x*+1)(*x*+4)CorrectIncorrect - Question 4 of 10
##### 4. Question

Factorise 6

*x*^{3}+3*x*^{2}-30*x*A.

*x*(6*x*^{2}+3*x-*30)B. 3

*x*(2*x*+5)(*x-*2)C. 3

*x*(2*x*^{2}+*x-*10)CorrectIncorrect - Question 5 of 10
##### 5. Question

Factorise 4

*x*^{3 }-36*x*A. 2

*x*(2*x*^{2}-18)B. 4

*x*(*x*-3)(*x+*3)C. 4

*x*(*x*^{2}-9)CorrectIncorrect - Question 6 of 10
##### 6. Question

Factorise 6

*a*^{3}+2*a*^{2}-20*a*A. 2

*a*(3*a*-5)(*a+*2)B.Â

*a*(6*a*^{2}+2*a*-20)C. 2

*a*(3*a*+5)(*a*-2)CorrectIncorrect - Question 7 of 10
##### 7. Question

Factorise 8

*x*^{3}-36*x*^{2}-20*x*A. 4

*x*(2*x*^{2}-9*x*-5)B. 2

*x*(4*x*+2)(*x*-5)C. 4

*x*(2*x*+1)(*x*-5)CorrectIncorrect - Question 8 of 10
##### 8. Question

Factorise 5

*x*^{3}*y*-25*x*^{2}*y*-70*xy*A. 5

*xy*(*x*+2)(*x*-7)B. 5

*y*(*x*^{3}-5*x*^{2}-14*x*)C. 5

*xy*(*x-*2)(*x+*7)CorrectIncorrect - Question 9 of 10
##### 9. Question

Factorise 6

*a*^{3}+2*a*^{2}*b*-4*ab*^{2}A. 2

*a*(3*a*^{2}+*ab*-2*b*^{2})B. 2

*ab*(3*a*-2)(*a*+1)C. 2

*a*(3*a*-2*b*)(*a*+*b*)CorrectIncorrect - Question 10 of 10
##### 10. Question

Factorise 4

*x*^{3}-2*xy*^{2}A. 2

*x*(2*x*–*y*)(2*x*+*y*)B. 2

*x*(4*x*^{2}+*y*^{2})C.

*y*^{2}(4*x*^{3}-2*x*)CorrectIncorrect