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Akimi4 [234]
3 years ago
9

Can someone help me with number 7 the circled one?

Mathematics
1 answer:
Ivenika [448]3 years ago
5 0
Your answer:
<span>Equation:
x(x+1) = 2(x+1)+77
-----

x^2+x = 2x+79
x^2-x-79 = 0
------
This quadratic does not have an integer solution.</span>
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