Question

What is the product of (x+a) and (x+

b)?

I.x2+ (a-b)x + ab
II.x2+ (a+b)x -ab
III.x2
+ (a+b)x -ab
IV.x2+ (a+b)x + ab​

Answer 1

Answer:

Option D.

Step-by-step explanation:

$\sf ( x + a )( x + b )$

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

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Answer 2

Answer:

(x+a)(x+b) = x²+bx +ax +ab = x² +(a+b)x +ab

Means option IV is correct.

Step-by-step explanation:

See above....