Expand each of the following expressions.
1. (2x- 5/2)^2
2. (3f^3+ g^2– 4h^4)^2
3. (1/3e+2f) (1/3e-2f)
4. (1/2x+1/3y-1/4z)^2
5. (3x+5y)(x-8)
1. (2x- 5/2)^2
2. (3f^3+ g^2– 4h^4)^2
3. (1/3e+2f) (1/3e-2f)
4. (1/2x+1/3y-1/4z)^2
5. (3x+5y)(x-8)
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Answer:
1. 4x²-10+25/4
2.9f⁶+g⁴+16h⁸+6f³g²-24f³h⁴-8g²h⁴
3. 3e²-2ef/3
4.¼×²+⅑y²×1/16z²+⅓xy-¼xz-⅙yz
5. 3x²-24x+5xy-40y