Rút gọn các biểu thức sau:

1/ \(\left(m+2\right)\left(m-2\right)-\dfrac{1}{2}\left(6-8m\right)^2+17\)

2/ \(\left(x+y-z\right)^2-2\left(x+y-z\right)\left(x+y\right)+\left(x+y\right)^2\)

3/ \(\left(p^2+4\right)\left(p+2\right)\left(p-2\right)-\left(p^2-3\right)^3\)

4/ \(\left(x^2-1\right)^3\left(x^4+x^2+1\right)\left(x^2-1\right)\)

5/ \(\left(a^4-3a^2+9\right)\left(a^2+3\right)-\left(3-a^2\right)^3\)

Rút gọn biểu thức sau:

1/ \(\left(x-1\right)^3+\left(2-x\right)\left(4+2x+x^2\right)\)

2/ \(\left(2x-1\right)\left(4x^2+2x+1\right)-8x\left(x^2+1\right)-5\)

3/ \(5x\left(x-3\right)^2-5\left(x-1\right)^2+15\left(x+4\right)\left(x-4\right)\)

4/ \(\left(x^2+2\right)^2-\left(x+2\right)\left(x-2\right)\left(x^2+4\right)\)

5/ \(\left(m+2\right)\left(m-2\right)-\dfrac{1}{2}\left(6-8m\right)^2+17\)

Rút gọn các biểu thức sau:

1/ \(\left(4x-1\right)^3-\left(4x-3\right)\left(16x^2+3\right)\)

2/ \(\left(x+2\right)^3-2\left(x^2+6x-5\right)-8\)

3/ \(\left(-x-3\right)^3+\left(x+9\right)\left(x^2+27\right)\)

4/ \(\left(x-1\right)^3-\left(x+2\right)\left(x^2-2x+4\right)+3x^2+2x\)

5/ \(\left(x+2\right)\left(x^2-2x+4\right)-x\left(x^2+2\right)\)

Rút gọn các biểu thức sau:

1/ \(2x\left(x+1\right)^2-\left(x-1\right)^3-\left(x-2\right)\left(x^2+2x+4\right)\)

2/ \(\left(x+5\right)\left(x-5\right)\left(x+2\right)-\left(x+2\right)^3\)

3/ \(\left(x-3\right)^3+\left(x-5\right)\left(x^2+5x+25\right)-\left(x-1\right)\left(x^2+x+1\right)\)

4/ \(\left(2x+3\right)\left(4x^2-6x+9\right)-2\left(4x^3-1\right)\)

5/ \(\left(3x+5\right)^2+\left(3x-5\right)2-\left(3x+2\right)\left(3x-2\right)\)

Rút gọn các biểu thức sau:

1/ \(2x\left(x-7\right)-\left(x+3\right)\left(x-2\right)-\left(x+4\right)\left(x-4\right)\)

2/ \(\left(2x+5\right)\left(x-2\right)-3\left(x+2\right)^2+\left(x+1\right)^2\)

3/ \(\left(x+3\right)\left(x-3\right)-\left(x+5\right)\left(x-1\right)-\left(x-4\right)^2\)