MAT10:7.6.1 FACTORISATION OF EXPRESSIONS

Factorise x³+7x²+12x

A. x( x² +7x+12)

B. x(x+3)(x+4)

C. x(x-3)(x-4)

Factorise 2x³+ 5x²+2x

A. x(2x+1)(x+2)

B. x(2x²+5x+2)

C. x(x+1)(2x+2)

Factorise 2x³+10x²+8x

A. x(2x²+5x+4)

B. 2x(x²+5x+4)

C. 2x(x+1)(x+4)

Factorise 6x³+3x²-30x

A. x(6x²+3x-30)

B. 3x(2x+5)(x-2)

C. 3x(2x²+x-10)

Factorise 4x³ -36x

A. 2x(2x²-18)

B. 4x(x-3)(x+3)

C. 4x(x²-9)

Factorise 6a³+2a²-20a

A. 2a(3a-5)(a+2)

B. a(6a²+2a-20)

C. 2a(3a+5)(a-2)

Factorise 8x³-36x²-20x

A. 4x(2x²-9x-5)

B. 2x(4x+2)(x-5)

C. 4x(2x+1)(x-5)

Factorise 5x³y-25x²y-70xy

A. 5xy(x+2)(x-7)

B. 5y(x³-5x²-14x)

C. 5xy(x-2)(x+7)

Factorise 6a³+2a²b-4ab²

A. 2a(3a²+ab-2b²)

B. 2ab(3a-2)(a+1)

C. 2a(3a-2b)(a+b)

Factorise 4x³-2xy²

A. 2x(2x–y)(2x+y)

B. 2x(4x²+y²)

C. y²(4x³-2x)