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Dvinal [7]
3 years ago
9

What polynomial identity will prove that 49-4=45

Mathematics
1 answer:
Svetach [21]3 years ago
3 0
49 is a square given by 7x7 as is clear in your equation, 4 is a square given by 4x4 the operator given is - ( minus) you have two squares, and a difference sign a^2 - b^2 = (a-b)(a+b) 7^2 -2^2 = (7-2)(7+2) = (5)(9) = 45 it is the diffeernce of two squares
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