Question

Using the identity (x + a) (x + b) = x2 + (a + b) x + ab, find the following products. (a - b)(a - 2b)​

Answer 1

Hello,Buddy!!

||Required Solution||

$\sf{ (a-b)(a-2b) }$

$\sf{(a)²+[(-b)+(-2b)]a+(-b)(-2b)}$

$\sf{a²+[-b-2b]a+2b²}$

$\sf{a²+(-3b)a+2b² }$

$\bold{a²-3ab+2b²}$

• Required Value ➪ a²-3ab+2b²

@MrMonarque♡

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