| \( (7y+1)(y^2-5y+2) \) | \( 4x - (x-1)(x+3) \) |
| \( (x^2+2x-1)(x-4) \) | \( a^2 - (a+b)(a-2b) \) |
| \( (a+b)(a^2+5ab-b^2) \) | \( 20+(4-x)(x-5) \) |
| \( (a^2 - 4a-1)(a-3) \) | \( (3x-5)(x+1)-3x^2 \) |
| \( (x+3)(2x^2-4x-1) \) | \( (-4x+6)(-x-2)-4x^2 \) |
| \( (x-7)(x^2-5x-6) \) | \( x^2 - (x-3)(x-4)-7x \) |
| \( (a-b-1)(a^2-b^2) \) | \( (2x^2+3y)(3y-2x^2) \) |
| \( (a^2 - b)(a + 2b+3) \) | \( (a^2-b^2)(a^2+b^2) \) |
| \( (x^2+4x+5)(5x-1) \) | \( (a^2+b)(a^2-b) \) |
| \( (x^2-3x-2)(6x-4) \) | \( (m+n^2)(m+n^2) \) |
| \( (2m-n)(n^2-2m-1) \) | \( (2x-3y)(2x+3y) \) |
| \( (a+2b)(a^2-b^2-1) \) | \( (5x^2-1)(5x^2+1) \) |
| \( (t^2-3)(t^2-2t+4) \) | \( (a+2b)(a-2b) \) |
| \( (4x^2+y^2)(3x-y-5) \) | \( (p^2-2k)(p^2-2k) \) |
| \( (x-5)(x^2-2x^2-6) \) | \( (c-5)(c-6)-(c^2+30) \) |
| \( (-x-7)(x^3+4x-1) \) | \( (x-7)(2x+6)+(8x+40) \) |
| \( (8k-q)(k^2-2q^2+3) \) | \( (x-8)(x-3)-x(x-11) \) |
| \( (-n^2-3n-5)(n^2-2) \) | \( x(x+2)+(3-x)(5+x) \) |
| \( (-a^3+a-1)(2a-3) \) | \( (2x-1)(x+7)-(2x^2-7) \) |
| \( (3x^3-y)(y^2-xy+2) \) | \( x(x-1)(x+2) \) |
| \( (xy-2)(x^2-y^2-3) \) | \( (x+3)(x-1)(x-4)(x+2) \) |