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

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