Question

Prove that (x+a) (x+b) = x² + (a+b) x+ab ​

Answer 1

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Answer 2

Answer:

we have

(x+a) (x+b) = x²+(a+b) x + ab

Step-by-step explanation:

let, a=2, b= 3 and x=4

putting the values in the above equation we have

LHS: (x+a) (x+b)

(4+2) (4+3)

6×7

42

RHS: x² + (a+b) x + ab

4²+(2+3)x +(2)+(3)

16+ 5x 4+6

16+26

42

i.e. LHS=RHS