Q1) Expand and simplify
\((z + 3)(z + 3)\equiv\) [ \(z^2 + 6z + 9\)]

Q1) Expand and simplify
\((y + 2)(y -1)\equiv\) [ \(y^2 + y -2\)]

Q1) Expand and simplify
\((8x + 6)(8x -3)\equiv\) [ \(64 x^2 + 24x -18 \)]

Q2) Expand and simplify
\((x + 5)(x + 4)\equiv\) [ \(x^2 + 9x + 20\)]

Q2) Expand and simplify
\((x -2)(x -1)\equiv\) [ \(x^2 -3x + 2\)]

Q2) Expand and simplify
\((7x + 6)(6x + 2)\equiv\) [ \(42 x^2 + 50x + 12 \)]

Q3) Expand and simplify
\((y + 5)(y + 2)\equiv\) [ \(y^2 + 7y + 10\)]

Q3) Expand and simplify
\((y -2)(y -3)\equiv\) [ \(y^2 -5y + 6\)]

Q3) Expand and simplify
\((6x + 5)(10x + 3)\equiv\) [ \(60 x^2 + 68x + 15 \)]

Q4) Expand and simplify
\((z + 5)(z + 5)\equiv\) [ \(z^2 + 10z + 25\)]

Q4) Expand and simplify
\((w -3)(w + 1)\equiv\) [ \(w^2 -2w -3\)]

Q4) Expand and simplify
\((4x + 1)(3x -2)\equiv\) [ \(12 x^2 -5x -2 \)]

Q5) Expand and simplify
\((z + 5)(z + 1)\equiv\) [ \(z^2 + 6z + 5\)]

Q5) Expand and simplify
\((y -5)(y -4)\equiv\) [ \(y^2 -9y + 20\)]

Q5) Expand and simplify
\((5x + 6)(7x + 2)\equiv\) [ \(35 x^2 + 52x + 12 \)]

Q6) Expand and simplify
\((y + 3)(y + 5)\equiv\) [ \(y^2 + 8y + 15\)]

Q6) Expand and simplify
\((w + 5)(w -1)\equiv\) [ \(w^2 + 4w -5\)]

Q6) Expand and simplify
\((3x + 3)(5x + 2)\equiv\) [ \(15 x^2 + 21x + 6 \)]

Q7) Expand and simplify
\((y + 2)(y + 2)\equiv\) [ \(y^2 + 4y + 4\)]

Q7) Expand and simplify
\((y + 2)(y -3)\equiv\) [ \(y^2 -y -6\)]

Q7) Expand and simplify
\((6x + 5)(3x -3)\equiv\) [ \(18 x^2 -3x -15 \)]

Q8) Expand and simplify
\((x + 1)(x + 2)\equiv\) [ \(x^2 + 3x + 2\)]

Q8) Expand and simplify
\((y + 2)(y -6)\equiv\) [ \(y^2 -4y -12\)]

Q8) Expand and simplify
\((2x + 6)(8x -2)\equiv\) [ \(16 x^2 + 44x -12 \)]

Q9) Expand and simplify
\((x + 1)(x + 4)\equiv\) [ \(x^2 + 5x + 4\)]

Q9) Expand and simplify
\((y + 1)(y + 1)\equiv\) [ \(y^2 + 2y + 1\)]

Q9) Expand and simplify
\((7x + 3)(9x -4)\equiv\) [ \(63 x^2 -x -12 \)]

Q10) Expand and simplify
\((z + 1)(z + 2)\equiv\) [ \(z^2 + 3z + 2\)]

Q10) Expand and simplify
\((y + 1)(y -1)\equiv\) [ \(y^2 + -1\)]

Q10) Expand and simplify
\((6x + 1)(9x -3)\equiv\) [ \(54 x^2 -9x -3 \)]