1) (x-3)(x+2) = x^2 + 2x - 3x - 6 = x^2 - x - 62) (c+4)(c-5) = c^2 - 5c + 4c - 20 = c^2 - c - 203) (a-1)(a-2) = a^2 - 2a - a + 2 = a^2 - 3a + 24) (y+3)(y+3) = y^2 + 3y + 3y + 9 = y^2 + 6y + 95) (n-1)(n-1) = n^2 - n - n + 1 = n^2 - 2n + 1
1) (x-3)(x+2) = x^2 + 2x - 3x - 6 = x^2 - x - 6
2) (c+4)(c-5) = c^2 - 5c + 4c - 20 = c^2 - c - 20
3) (a-1)(a-2) = a^2 - 2a - a + 2 = a^2 - 3a + 2
4) (y+3)(y+3) = y^2 + 3y + 3y + 9 = y^2 + 6y + 9
5) (n-1)(n-1) = n^2 - n - n + 1 = n^2 - 2n + 1