Question

X + a Into X + b identically x square + A + B plus ab​

Answer 1

Explanation:

So as you told,

( x + a ) ( x + b ) = x² + a + b + ab

=> x + a × x + b = x² + a + b + ab

=> x×x + a + b × a×b = x² + a + b + ab

=> x² + a + b + ab = x² + a + b + ab

So therefore,

LHS = RHS

Hence proved

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