Question

Activity 2 If we know the product of two numbers, how obtained by adding a fixed number to each. We know 20x30 = 600 then 21x31 = (20+1)(30+1) = 20x30+(20 = 651 22x32 - (20+2)(30+2) = 20% 30+ (2 - 600+100+4 = 704 23x33 = 20x30+(20+30)3+32 = 24x34 In general (x+a)(y+a) = xy+ xy+ - + Activity 3 In the sequence of 4 consecutive natura han the product of two numbers in the middl 1x4 (2x3)-2 4x7 (5x6)-2 ning this find​

Answer 1

Step-by-step explanation:

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