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Mathematics, 11.07.2021 16:50, numb2000
In a set of 3 numbers the first is a positive integer, the second is 3 more than the first and the 3rd is a square of the second
a) the first number in the set is x. write the second and third numbers in terms of x
b) the sum of the numbers is 77
c) write down an equation in terms of x
d) show that your equation simplifies to x²+8x-65=0
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