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

Q1) Expand and simplify
\((x -1)(x + 10)\equiv\) [ \(x^2 + 9x -10\)]

Q1) Expand and simplify
\((3x + 4)(9x -4)\equiv\) [ \(27 x^2 + 24x -16 \)]

Q2) Expand and simplify
\((z + 2)(z + 5)\equiv\) [ \(z^2 + 7z + 10\)]

Q2) Expand and simplify
\((z + 1)(z + 4)\equiv\) [ \(z^2 + 5z + 4\)]

Q2) Expand and simplify
\((3x + 3)(10x -2)\equiv\) [ \(30 x^2 + 24x -6 \)]

Q3) Expand and simplify
\((y + 2)(y + 1)\equiv\) [ \(y^2 + 3y + 2\)]

Q3) Expand and simplify
\((w -2)(w -2)\equiv\) [ \(w^2 -4w + 4\)]

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

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

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

Q4) Expand and simplify
\((3x + 6)(2x + 4)\equiv\) [ \(6 x^2 + 24x + 24 \)]

Q5) Expand and simplify
\((w + 5)(w + 3)\equiv\) [ \(w^2 + 8w + 15\)]

Q5) Expand and simplify
\((w + 4)(w + 1)\equiv\) [ \(w^2 + 5w + 4\)]

Q5) Expand and simplify
\((10x + 4)(7x -2)\equiv\) [ \(70 x^2 + 8x -8 \)]

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

Q6) Expand and simplify
\((x -4)(x + 4)\equiv\) [ \(x^2 -16\)]

Q6) Expand and simplify
\((10x + 4)(10x -6)\equiv\) [ \(100 x^2 -20x -24 \)]

Q7) Expand and simplify
\((z + 4)(z + 3)\equiv\) [ \(z^2 + 7z + 12\)]

Q7) Expand and simplify
\((z + 1)(z -5)\equiv\) [ \(z^2 -4z -5\)]

Q7) Expand and simplify
\((7x + 1)(5x -2)\equiv\) [ \(35 x^2 -9x -2 \)]

Q8) Expand and simplify
\((w + 5)(w + 5)\equiv\) [ \(w^2 + 10w + 25\)]

Q8) Expand and simplify
\((w -1)(w -1)\equiv\) [ \(w^2 -2w + 1\)]

Q8) Expand and simplify
\((9x + 5)(8x + 2)\equiv\) [ \(72 x^2 + 58x + 10 \)]

Q9) Expand and simplify
\((x + 3)(x + 5)\equiv\) [ \(x^2 + 8x + 15\)]

Q9) Expand and simplify
\((x -3)(x -5)\equiv\) [ \(x^2 -8x + 15\)]

Q9) Expand and simplify
\((8x + 4)(2x + 2)\equiv\) [ \(16 x^2 + 24x + 8 \)]

Q10) Expand and simplify
\((x + 4)(x + 2)\equiv\) [ \(x^2 + 6x + 8\)]

Q10) Expand and simplify
\((w -4)(w + 3)\equiv\) [ \(w^2 -w -12\)]

Q10) Expand and simplify
\((8x + 6)(10x -3)\equiv\) [ \(80 x^2 + 36x -18 \)]