(13 + x)(13 - X – InterviewSolution

1.	(13 + x)(13 - X
Answer» 169Step-by-step explanation:(13 + X)(13 - x)=> (13)² - (x)²...[by the FORMULA (a+b)(a-b) = a² - b²]=> 13² - x²=> 169 - x²=> - x² + 169Hence the answer is - x² + 169.hope it HELPS.

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