Factorise 50-98x^2
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Step-by-step explanation:
Rewrite 49 as 72 . Factor. Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b) a 2 - b 2 = ( a + b ) ( a - b ) where a=5x a = 5 x and b=7 b = 7 .
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