Difference of Squares (algebra)

Random Science or math Quiz

Can you name the product of these differences of squares (algebra)?

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(a+b)*(a-b)producta^2 - b^2
21*19
415*385
808*792
99*81
208*192
54*46
714*686
65*55
76*64
604*596
87*73
107*93
308*292
725*675
205*195
(a+b)*(a-b)producta^2 - b^2
340*260
32*28
530*470
510*490
43*37
713*687
615*585
715*685
310*290
325*275
509*491
105*95
814*786
112*88
811*789

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