Factorisation

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Question

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Question 1 :

Factorise 12a²b + 15ab²

1. 3ab
2. 3ab (4a + 5b)
3. (4a + 5b)
4. 3ab (5a + 4b)
Answer
24509

Question 2 :

Factorise 6xy – 4y + 6 – 9x.

1. (3x – 2) (2y – 3)
2. (2y – 3)
3. (2x – 3) (3y – 2)
4. (3x – 2)
Answer
24510

Question 3 :

Factorise: x²+ 8x + 16

1. (x + 4)²
2. (x + 5)²
3. (x + 3)²
4. (x + 2)²
Answer
24511

Question 4 :

Solve: –20x⁴ ÷ 10x²

1. xyz
2. 1/2 xz
3. 1/2 xy
4. 1/2 xyz
Answer
24512

Question 5 :

Find the common factors of 12x, 36.

1. 36
2. 12
3. x
4. 12x
Answer
24513