Question

x2 - (a + b)x + ab = 0 factorise

Answer 1

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Answer 2

Answer:

(x-a) (x-b) =0

Step-by-step explanation:

x2 - (a + b)x + ab = 0

The question should be,

x²-(a+b)x+ab=0

so,

x²-(a+b)x+ab=0

or, x²-ax-bx+ab=0

or, x(x-a)-b(x-a) =0

or, (x-a) (x-b) =0

Hope it will help you.

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Extra information,

for determining the value of x,

(x-a) (x-b) =0

so, x-a=0 | or,x-b=0

or, x=a | or, x=b