Q1) Expand and simplify
\((x + 3)(x + 1)\equiv\) [ \(x^2 + 4x + 3\)]

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

Q1) Expand and simplify
\((5x + 2)(10x -3)\equiv\) [ \(50 x^2 + 5x -6 \)]

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

Q2) Expand and simplify
\((x + 4)(x + 2)\equiv\) [ \(x^2 + 6x + 8\)]

Q2) Expand and simplify
\((10x + 4)(10x -3)\equiv\) [ \(100 x^2 + 10x -12 \)]

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

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

Q3) Expand and simplify
\((6x + 2)(5x -3)\equiv\) [ \(30 x^2 -8x -6 \)]

Q4) Expand and simplify
\((w + 1)(w + 5)\equiv\) [ \(w^2 + 6w + 5\)]

Q4) Expand and simplify
\((y -6)(y -2)\equiv\) [ \(y^2 -8y + 12\)]

Q4) Expand and simplify
\((10x + 6)(3x -3)\equiv\) [ \(30 x^2 -12x -18 \)]

Q5) Expand and simplify
\((y + 3)(y + 3)\equiv\) [ \(y^2 + 6y + 9\)]

Q5) Expand and simplify
\((z + 3)(z -1)\equiv\) [ \(z^2 + 2z -3\)]

Q5) Expand and simplify
\((3x + 3)(2x -2)\equiv\) [ \(6 x^2 -6 \)]

Q6) Expand and simplify
\((y + 4)(y + 4)\equiv\) [ \(y^2 + 8y + 16\)]

Q6) Expand and simplify
\((z + 6)(z -1)\equiv\) [ \(z^2 + 5z -6\)]

Q6) Expand and simplify
\((2x + 4)(9x -5)\equiv\) [ \(18 x^2 + 26x -20 \)]

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

Q7) Expand and simplify
\((x -2)(x -4)\equiv\) [ \(x^2 -6x + 8\)]

Q7) Expand and simplify
\((2x + 3)(4x + 2)\equiv\) [ \(8 x^2 + 16x + 6 \)]

Q8) Expand and simplify
\((w + 4)(w + 3)\equiv\) [ \(w^2 + 7w + 12\)]

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

Q8) Expand and simplify
\((8x + 6)(6x -4)\equiv\) [ \(48 x^2 + 4x -24 \)]

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

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

Q9) Expand and simplify
\((3x + 1)(2x -2)\equiv\) [ \(6 x^2 -4x -2 \)]

Q10) Expand and simplify
\((w + 5)(w + 4)\equiv\) [ \(w^2 + 9w + 20\)]

Q10) Expand and simplify
\((w -5)(w -1)\equiv\) [ \(w^2 -6w + 5\)]

Q10) Expand and simplify
\((7x + 3)(10x + 2)\equiv\) [ \(70 x^2 + 44x + 6 \)]