Q1) Expand and simplify
\((z + 1)(z + 5)\equiv\) [ \(z^2 + 6z + 5\)]

Q1) Expand and simplify
\((w -5)(w + 3)\equiv\) [ \(w^2 -2w -15\)]

Q1) Expand and simplify
\((4x + 2)(7x -2)\equiv\) [ \(28 x^2 + 6x -4 \)]

Q2) Expand and simplify
\((x + 4)(x + 4)\equiv\) [ \(x^2 + 8x + 16\)]

Q2) Expand and simplify
\((w -2)(w -10)\equiv\) [ \(w^2 -12w + 20\)]

Q2) Expand and simplify
\((4x + 5)(2x + 2)\equiv\) [ \(8 x^2 + 18x + 10 \)]

Q3) Expand and simplify
\((y + 1)(y + 4)\equiv\) [ \(y^2 + 5y + 4\)]

Q3) Expand and simplify
\((y + 2)(y + 7)\equiv\) [ \(y^2 + 9y + 14\)]

Q3) Expand and simplify
\((6x + 5)(8x -2)\equiv\) [ \(48 x^2 + 28x -10 \)]

Q4) Expand and simplify
\((x + 1)(x + 1)\equiv\) [ \(x^2 + 2x + 1\)]

Q4) Expand and simplify
\((x -3)(x -4)\equiv\) [ \(x^2 -7x + 12\)]

Q4) Expand and simplify
\((2x + 6)(6x + 5)\equiv\) [ \(12 x^2 + 46x + 30 \)]

Q5) Expand and simplify
\((y + 4)(y + 2)\equiv\) [ \(y^2 + 6y + 8\)]

Q5) Expand and simplify
\((z -4)(z + 2)\equiv\) [ \(z^2 -2z -8\)]

Q5) Expand and simplify
\((4x + 1)(8x -6)\equiv\) [ \(32 x^2 -16x -6 \)]

Q6) Expand and simplify
\((w + 5)(w + 5)\equiv\) [ \(w^2 + 10w + 25\)]

Q6) Expand and simplify
\((z -1)(z -8)\equiv\) [ \(z^2 -9z + 8\)]

Q6) Expand and simplify
\((6x + 5)(10x -3)\equiv\) [ \(60 x^2 + 32x -15 \)]

Q7) Expand and simplify
\((y + 5)(y + 3)\equiv\) [ \(y^2 + 8y + 15\)]

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

Q7) Expand and simplify
\((3x + 2)(8x -5)\equiv\) [ \(24 x^2 + x -10 \)]

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

Q8) Expand and simplify
\((w -7)(w + 4)\equiv\) [ \(w^2 -3w -28\)]

Q8) Expand and simplify
\((7x + 5)(4x + 4)\equiv\) [ \(28 x^2 + 48x + 20 \)]

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

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

Q9) Expand and simplify
\((4x + 2)(9x -2)\equiv\) [ \(36 x^2 + 10x -4 \)]

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

Q10) Expand and simplify
\((y + 4)(y -1)\equiv\) [ \(y^2 + 3y -4\)]

Q10) Expand and simplify
\((9x + 3)(10x -4)\equiv\) [ \(90 x^2 -6x -12 \)]