Factorization

Choose the correct answer:
The factorisation of 25x²y - 5xy is  

• 5xy (5x - 1)
• 5xy (5x + 1)
• 5xy (5x + 5)
• 5xy (x - y)

• (x+2)(3y+4)

• (3y+2)(x+4)

• (x+3y)(x+4)

• (x+2)(x+3y)

• (5c+6)(1-k)

• (k-1)(5c-6)

• (k+1)(5c-6)

• (5c+6)(k-1)

• (a+2b)(a+c)

• (a+c)(a+b)

• (a+b)(b+c)

• (a+b)(a+2c)

x² +6x+5

• (x+2)(x+3)

• (x+2)(x-3)

• (x+1)(x+5)

• (x-1)(x-5)

y²+18y+32

• (y+4)(y+8)

• (y+ 2)(y+16)

• (y+2)(y-16)

• (y+1)(y+32)

x²-13x+42

• (x-3)(x-14)

• (x+6)(x+7)

• (x-6)(x-7)

• (x-2)(x-21)

a²-7a+12

• (a+2)(a+5)

• (a+3)(a+4)

• (a-2)(a-5)

• (a-3)(a-4)

x²+3x-18

• (x+6)(x-3)

• (x-6)(x+3)

• (x-2)(x+9)

• (x+2)(x-9)

c²+11c-26

• (c-13)(c+2)

• (c+13)(c-2)

• (c+2)(c+9)

• (c+2)(c+13)