Q1) Expand and simplify
\((z + 3)(z + 4)\equiv\) [ \(z^2 + 7z + 12\)]

Q1) Expand and simplify
\((z -4)(z -1)\equiv\) [ \(z^2 -5z + 4\)]

Q1) Expand and simplify
\((10x + 3)(2x -3)\equiv\) [ \(20 x^2 -24x -9 \)]

Q2) Expand and simplify
\((w + 3)(w + 5)\equiv\) [ \(w^2 + 8w + 15\)]

Q2) Expand and simplify
\((w + 6)(w -2)\equiv\) [ \(w^2 + 4w -12\)]

Q2) Expand and simplify
\((3x + 6)(8x -6)\equiv\) [ \(24 x^2 + 30x -36 \)]

Q3) Expand and simplify
\((y + 4)(y + 2)\equiv\) [ \(y^2 + 6y + 8\)]

Q3) Expand and simplify
\((z -1)(z + 1)\equiv\) [ \(z^2 -1\)]

Q3) Expand and simplify
\((4x + 3)(2x -2)\equiv\) [ \(8 x^2 -2x -6 \)]

Q4) Expand and simplify
\((z + 5)(z + 4)\equiv\) [ \(z^2 + 9z + 20\)]

Q4) Expand and simplify
\((z + 6)(z -2)\equiv\) [ \(z^2 + 4z -12\)]

Q4) Expand and simplify
\((4x + 5)(2x + 2)\equiv\) [ \(8 x^2 + 18x + 10 \)]

Q5) Expand and simplify
\((x + 1)(x + 1)\equiv\) [ \(x^2 + 2x + 1\)]

Q5) Expand and simplify
\((z + 5)(z + 5)\equiv\) [ \(z^2 + 10z + 25\)]

Q5) Expand and simplify
\((5x + 1)(8x -3)\equiv\) [ \(40 x^2 -7x -3 \)]

Q6) Expand and simplify
\((z + 5)(z + 2)\equiv\) [ \(z^2 + 7z + 10\)]

Q6) Expand and simplify
\((z -1)(z + 2)\equiv\) [ \(z^2 + z -2\)]

Q6) Expand and simplify
\((6x + 5)(8x -2)\equiv\) [ \(48 x^2 + 28x -10 \)]

Q7) Expand and simplify
\((z + 1)(z + 1)\equiv\) [ \(z^2 + 2z + 1\)]

Q7) Expand and simplify
\((y -8)(y + 8)\equiv\) [ \(y^2 + -64\)]

Q7) Expand and simplify
\((4x + 6)(5x + 3)\equiv\) [ \(20 x^2 + 42x + 18 \)]

Q8) Expand and simplify
\((z + 5)(z + 3)\equiv\) [ \(z^2 + 8z + 15\)]

Q8) Expand and simplify
\((w + 3)(w -7)\equiv\) [ \(w^2 -4w -21\)]

Q8) Expand and simplify
\((2x + 2)(5x -4)\equiv\) [ \(10 x^2 + 2x -8 \)]

Q9) Expand and simplify
\((y + 5)(y + 4)\equiv\) [ \(y^2 + 9y + 20\)]

Q9) Expand and simplify
\((y -2)(y -2)\equiv\) [ \(y^2 -4y + 4\)]

Q9) Expand and simplify
\((10x + 5)(9x + 2)\equiv\) [ \(90 x^2 + 65x + 10 \)]

Q10) Expand and simplify
\((w + 5)(w + 3)\equiv\) [ \(w^2 + 8w + 15\)]

Q10) Expand and simplify
\((w -6)(w -2)\equiv\) [ \(w^2 -8w + 12\)]

Q10) Expand and simplify
\((2x + 4)(6x + 3)\equiv\) [ \(12 x^2 + 30x + 12 \)]