Q1) Expand and simplify
$(w + 4)(w + 5)$= [ $w^2 + 9w + 20$]

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

Q1) Expand and simplify
$(2x + 4)(4x + 2)$= [ $8 x^2 + 20x + 8$]

Q2) Expand and simplify
$(x + 5)(x + 1)$= [ $x^2 + 6x + 5$]

Q2) Expand and simplify
$(x + 5)(x -4)$= [ $x^2 + x -20$]

Q2) Expand and simplify
$(3x + 6)(10x -2)$= [ $30 x^2 + 54x -12$]

Q3) Expand and simplify
$(x + 3)(x + 1)$= [ $x^2 + 4x + 3$]

Q3) Expand and simplify
$(x + 3)(x + 5)$= [ $x^2 + 8x + 15$]

Q3) Expand and simplify
$(4x + 6)(9x -4)$= [ $36 x^2 + 38x -24$]

Q4) Expand and simplify
$(y + 4)(y + 2)$= [ $y^2 + 6y + 8$]

Q4) Expand and simplify
$(x -4)(x + 1)$= [ $x^2 -3x -4$]

Q4) Expand and simplify
$(6x + 5)(4x + 2)$= [ $24 x^2 + 32x + 10$]

Q5) Expand and simplify
$(z + 2)(z + 5)$= [ $z^2 + 7z + 10$]

Q5) Expand and simplify
$(x + 5)(x -3)$= [ $x^2 + 2x -15$]

Q5) Expand and simplify
$(10x + 5)(3x + 2)$= [ $30 x^2 + 35x + 10$]

Q6) Expand and simplify
$(x + 4)(x + 1)$= [ $x^2 + 5x + 4$]

Q6) Expand and simplify
$(x + 2)(x -1)$= [ $x^2 + x -2$]

Q6) Expand and simplify
$(4x + 5)(2x -2)$= [ $8 x^2 + 2x -10$]

Q7) Expand and simplify
$(w + 3)(w + 3)$= [ $w^2 + 6w + 9$]

Q7) Expand and simplify
$(x -1)(x -3)$= [ $x^2 -4x + 3$]

Q7) Expand and simplify
$(4x + 2)(3x -2)$= [ $12 x^2 -2x -4$]

Q8) Expand and simplify
$(w + 5)(w + 3)$= [ $w^2 + 8w + 15$]

Q8) Expand and simplify
$(x + 1)(x + 2)$= [ $x^2 + 3x + 2$]

Q8) Expand and simplify
$(10x + 5)(2x + 2)$= [ $20 x^2 + 30x + 10$]

Q9) Expand and simplify
$(x + 3)(x + 3)$= [ $x^2 + 6x + 9$]

Q9) Expand and simplify
$(x -3)(x -4)$= [ $x^2 -7x + 12$]

Q9) Expand and simplify
$(6x + 5)(5x -3)$= [ $30 x^2 + 7x -15$]

Q10) Expand and simplify
$(y + 3)(y + 5)$= [ $y^2 + 8y + 15$]

Q10) Expand and simplify
$(x -3)(x + 1)$= [ $x^2 -2x -3$]

Q10) Expand and simplify
$(2x + 3)(9x -2)$= [ $18 x^2 + 23x -6$]