(a) what is wrong with the following equation?
x2 + x − 42/ x − 6 = x + 7
1...
Mathematics, 09.10.2019 16:30 shawnplayzsavage
(a) what is wrong with the following equation?
x2 + x − 42/ x − 6 = x + 7
1)(x − 6)(x + 7) ≠ x2 + x − 42
2)the left-hand side is not defined for x = 0, but the right-hand side is.
3)the left-hand side is not defined for x = 6, but the right-hand side is.
4)none of these — the equation is correct.
Answers: 1
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