Q1) Expand and simplify
$(x -2)(x -4)$= [ $x^2 -6x + 8$]

Q1) Expand and simplify
$(2x + 2)^2$= [ $4 x^2 + 8x + 4$]

Q1) Expand and simplify
$(9x + 5)(8x + 3)(4x+2)$= [ $288 x^3 + 412x^2+ 194x+30$]

Q2) Expand and simplify
$(x -2)^2$= [ $x^2 -4x + 4$]

Q2) Expand and simplify
$(6x + 2)^2$= [ $36 x^2 + 24x + 4$]

Q2) Expand and simplify
$(10x + 5)(10x -2)(4x+5)$= [ $400 x^3 + 620x^2+ 110x-50$]

Q3) Expand and simplify
$(x -2)(x -4)$= [ $x^2 -6x + 8$]

Q3) Expand and simplify
$(5x + 4)(2x + 2)$= [ $10 x^2 + 18x + 8$]

Q3) Expand and simplify
$(3x + 6)(5x -2)(3x+3)$= [ $45 x^3 + 117x^2+ 36x-36$]

Q4) Expand and simplify
$(x -1)(x -2)$= [ $x^2 -3x + 2$]

Q4) Expand and simplify
$(10x + 5)(3x + 2)$= [ $30 x^2 + 35x + 10$]

Q4) Expand and simplify
$(4x + 6)(3x -3)(3x+2)$= [ $36 x^3 + 42x^2-42x-36$]

Q5) Expand and simplify
$(x -1)(x -1)$= [ $x^2 -2x + 1$]

Q5) Expand and simplify
$(10x + 3)(10x + 2)$= [ $100 x^2 + 50x + 6$]

Q5) Expand and simplify
$(6x + 1)(8x -2)(3x+5)$= [ $144 x^3 + 228x^2-26x-10$]

Q6) Expand and simplify
$(x -2)^2$= [ $x^2 -4x + 4$]

Q6) Expand and simplify
$(5x + 2)(7x -2)$= [ $35 x^2 + 4x -4$]

Q6) Expand and simplify
$(4x + 5)(8x + 2)(3x+4)$= [ $96 x^3 + 272x^2+ 222x+40$]

Q7) Expand and simplify
$(x -2)(x -2)$= [ $x^2 -4x + 4$]

Q7) Expand and simplify
$(9x + 4)(10x + 2)$= [ $90 x^2 + 58x + 8$]

Q7) Expand and simplify
$(6x + 6)(8x -2)(4x+5)$= [ $192 x^3 + 384x^2+ 132x-60$]

Q8) Expand and simplify
$(x -4)^2$= [ $x^2 -8x + 16$]

Q8) Expand and simplify
$(6x + 3)(2x -2)$= [ $12 x^2 -6x -6$]

Q8) Expand and simplify
$(3x + 4)(3x -3)(2x+5)$= [ $18 x^3 + 51x^2-9x-60$]

Q9) Expand and simplify
$(x -2)(x -4)$= [ $x^2 -6x + 8$]

Q9) Expand and simplify
$(9x + 2)^2$= [ $81x^2 + 36x + 4$]

Q9) Expand and simplify
$(10x + 6)(10x -4)(5x+4)$= [ $500 x^3 + 500x^2-40x-96$]

Q10) Expand and simplify
$(x -4)(x -2)$= [ $x^2 -6x + 8$]

Q10) Expand and simplify
$(3x + 2)^2$= [ $9 x^2 + 12x + 4$]

Q10) Expand and simplify
$(10x + 1)(9x -4)(2x+5)$= [ $180 x^3 + 388x^2-163x-20$]