Q1) Expand \((x+6)(x-6)\) = [ \(x^2 - 36\)]
Q1) Factorise \(x^2 - 49\)= [ \((x+7)(x-7)\)]
Q1) Factorise \(100x^2-9\)= [ \((10x + 3)(10x - 3)\)]
Q2) Expand \((x+10)(x-10)\) = [ \(x^2 - 100\)]
Q2) Factorise \(x^2 - 121\)= [ \((x+11)(x-11)\)]
Q2) Factorise \(49x^2-16\)= [ \((7x + 4)(7x - 4)\)]
Q3) Expand \((x+3)(x-3)\) = [ \(x^2 - 9\)]
Q3) Factorise \(x^2 - 169\)= [ \((x+13)(x-13)\)]
Q3) Factorise \(9x^2-4\)= [ \((3x + 2)(3x - 2)\)]
Q4) Expand \((x+1)(x-1)\) = [ \(x^2 - 1\)]
Q4) Factorise \(x^2 - 1\)= [ \((x+1)(x-1)\)]
Q4) Factorise \(25x^2-100\)= [ \((5x + 10)(5x - 10)\)]
Q5) Expand \((x+7)(x-7)\) = [ \(x^2 - 49\)]
Q5) Factorise \(x^2 - 64\)= [ \((x+8)(x-8)\)]
Q5) Factorise \(25x^2-4\)= [ \((5x + 2)(5x - 2)\)]
Q6) Expand \((x+9)(x-9)\) = [ \(x^2 - 81\)]
Q6) Factorise \(x^2 - 81\)= [ \((x+9)(x-9)\)]
Q6) Factorise \(64x^2-16\)= [ \((8x + 4)(8x - 4)\)]
Q7) Expand \((x+5)(x-5)\) = [ \(x^2 - 25\)]
Q7) Factorise \(x^2 - 36\)= [ \((x+6)(x-6)\)]
Q7) Factorise \(100x^2-64\)= [ \((10x + 8)(10x - 8)\)]
Q8) Expand \((x+8)(x-8)\) = [ \(x^2 - 64\)]
Q8) Factorise \(x^2 - 16\)= [ \((x+4)(x-4)\)]
Q8) Factorise \(49x^2-64\)= [ \((7x + 8)(7x - 8)\)]
Q9) Expand \((x+2)(x-2)\) = [ \(x^2 - 4\)]
Q9) Factorise \(x^2 - 25\)= [ \((x+5)(x-5)\)]
Q9) Factorise \(16x^2-49\)= [ \((4x + 7)(4x - 7)\)]
Q10) Expand \((x+4)(x-4)\) = [ \(x^2 - 16\)]
Q10) Factorise \(x^2 - 4\)= [ \((x+2)(x-2)\)]
Q10) Factorise \(4x^2-36\)= [ \((2x + 6)(2x - 6)\)]