Factorising expression

6m² + 16m

• 2(3m² + 8m)

• 2m(3m + 8)

• 2m(3m - 8m)

• not factorable

Factorise 6b + 8

• 4(2b+2)
• 2(3b+4)
• 2(b+4)
• 4(3b+2)

Factorise 4x + 14

• 2(2x+7)
• 4(x+10)
• 4(x+3)
• 2(x+12)

Factor completely 12x + 9

• 3(4x + 3)

• x(12+9)

• 3(4x - 3)

• not factorable

Factor:
p² - 14p

• p(1 - 14)
• 2p(p - 7)
• p²(1-14)
• p(p - 14)

The area of a rectangle is (18x - 12) cm². Write an expression representing the side of the length of the rectangle in feet. (One of the sides is 6 cm)

• The length is 6(3x - 2)

• The length is 6(3x + 2)

• The length is (3x - 2)

• The length is (12x + 6)

Factor  4x + 30y.

• 2(x + 15y)
• 4(x + 15y)
• 2(2x + 15y)
• cannot be factored

Ms. Carmean simplified the expression 3(2x-4) to 6x-4. Is she correct? 

• Yes
• No