if the difference of two numbers is 75 and their sum is double of 87.5 then the difference of their squares each
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Lets assume the two numbers as x and y
As given in the question:
x-y = 75
x+y = 2(87.5)or
x+y = 175
since x-y = 75......equation 1
x+y = 175........equation 2
x = 175-y
we will substitute the x value in the
equation 1
therefore:175-y-y = 75
175-2y = 75
175-75=2y
100=2y
y = 50
then x-50 = 75
x = 125
x²-y²=?
125²-50²=?
15625-2500 = 13125
therefore the answer would be 13125
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