Question

x2 + (a + b)x+ ab is factorised as
a) (x+a) (x+b)
b) (x-a) (x+b)
c) (x+a) (x-b)
d) (x-a) (x-b)
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Answer 1

Answer:

(x-a) (x-b)

it is your answer hope it helps

Answer 2

Step-by-step explanation:

${x}^{2} + (a + b)x + ab \\ {x}^{2} + ax + bx + ab \\ x(x + a) + b(x + a) \\ (x + b)(x + a)$

(a) is the correct answer

I hope it helps you