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Algebra help!! Exponential equations...and factoring.?
1. Factor: 8d^3-(1/27)
2. (2x^-6Xy^5)^-3
3. Factor: 16x^2-88x+121
4. Factor: x^2-(49/36)
5. Solve: (2/15)x^2= (1/3)x+(1/5)
Yeah, help would be great and much appreciated.
1 Answer
- 1 decade agoFavorite Answer
1. (2d-1/3)(4d^2+2d/3+1/9)
2. Is that capital X a times sign? If so, [(2x^-6)(y^5)]^-3=x^18/(8y^15).
3. (4x-11)^2
4. (x+7/6)(x-7/6)
5. x=3, x=-1/2 (I multiplied both sides by 15, subtracted the right side of the equation from each side, and used the quadratic formula.)
