Factorising - revision

   6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• not factorable

Factorise
x² + 8x + 12

• (x + 3)(x + 4)
• (x + 6)(x + 2)
• (x + 4)(x + 4)
• (x + 1)(x + 12)

x² - 9

• (x + 3)²

• (x + 3) (x - 3)

• (x - 3)²

• x + 3(x - 3)

Tags

CCSS.HSA.APR.C.4

Factorise
x² + 4x - 12

• (x + 6)(x - 2) 
• (x - 4)(x + 2)
• (x - 6)(x + 2)
• (x - 6)(x - 2)

Expand and simplify the following quadratic expression...

(x + 3)(x + 2)

• x² + 5x + 6

• x² + 5x + 5

• x² + 6x + 6

• x² + 6x + 5

Tags

CCSS.HSA.APR.A.1

Factorise
x² - 6x - 16

• x(x - 6)
• (x - 8)(x - 2)
• (x + 2)(x - 8)
• (x - 4)(x - 4)

Expand and simplify the following quadratic expression...

(x - 6)(x + 5)

• x² + x - 30

• x² - x - 30

• x² + x + 30

• x² - x + 30

Tags

CCSS.HSA.APR.A.1

Factorise
3x² + 7x - 20

• (3x + 2)( x -10)
• (3x - 5)(x + 4)
• (x + 20)(3x - 1)
• (3x - 5)(x - 4)

4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)

Tags

CCSS.HSA.APR.C.4

Factorise the following fully:

15p - 8r - 5pr + 24

• (3 - r)(5p + 8)

• (5 + 3)(p - r)

• 5(3 - r) + 8(3 - r)

• r(-8 - 5p) 3(5p + 8)