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

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