mjv
mjv
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(p/1-1/7) (p/1+1/7) FOIL (p/1 x p/1) + (1/7 x p/1) - (1/7 x p/1) - (1/7 x 1/7) reduce (p x p) + (p/7) - (p/7) - (1/49) (p^2) - (1/49),,,,,ans or you could use the difference squares formula....
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(p/1-1/7) (p/1+1/7) FOIL (p/1 x p/1) + (1/7 x p/1) - (1/7 x p/1) - (1/7 x 1/7) reduce (p x p) + (p/7) - (p/7) - (1/49) (p^2) - (1/49),,,,,ans or you could use the difference squares formula....
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(p/1-1/7) (p/1+1/7) FOIL (p/1 x p/1) + (1/7 x p/1) - (1/7 x p/1) - (1/7 x 1/7) reduce (p x p) + (p/7) - (p/7) - (1/49) (p^2) - (1/49),,,,,ans or you could use the difference squares formula....