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1.Simplify ( x +1)(x- 1) + 2x ²
2. Simplify (x + 2)(x - 1) -2(x + 1)
3. If 45 is added to a c...
Mathematics, 22.06.2020 18:57 Bgreene2377
1.Simplify ( x +1)(x- 1) + 2x ²
2. Simplify (x + 2)(x - 1) -2(x + 1)
3. If 45 is added to a certain number and the result is divided by 9 ,the quotient is 8. What is the number?
Please help
Answers: 3
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