x2 – 4 = factorize completely (x + 4)(x - 1) (x – 2)(x - 2) (x – 4)(x – 1) (x + 2)(x – 2) 9x2 - 1 = factorize completely (3x + 1)(3x - 1) (3x + 1)(3x + 1) (3x – 1)(3x – 0) (9x + 1)(x – 1) 4x2 – 25= factorize completely (2x + 5)(2x + 5) (2x – 25)(2x - 1) (2x + 5)(2x – 5) (2x - 5)(2x – 5) x2 – 1 = factorize completely (2x + 1)(x - 1) (x + 1)(x + 1) (x – 1)(x – 1) (x + 1)(x – 1) 4x2 – 9y2 = factorize completely (4x + 3y)(x - 3y) (2x + 3)(x - 3) (2x – 3y)(2x – 3y) (2x + 3y) (2x – 3y) 25x2 – 36 = factorize completely (5x – 3)(5x + 12) (5x + 6)(5x - 6) (5x - 63)(5x – 6) (5x + 6)(5x + 6) 47x2 - 25 = factorize completely (7x +5 )(7x - 5) (7x -5 )(7x - 5) (7x -5 )(7x - 5) (3x +5 )(x - 2) 4𝑥2 − 9 = factorize completely (2x – 3)(x + 4) (2x – 3)(2x + 3) (2x - 3)(x + 3) (2x - 4)(2x – 3) 2𝑥2 − 50 = take H.C.F first factorize completely 2 ( 𝑥2 − 25 ) (x – 5)(x - 5) (x + 5)(x - 5) (x + 5)x + 5) 2(x – 5)(x + 5) 2y2 - 18 = 2 ( y2 - 9 ) take H.C.F first factorize completely 2(y - 3)(y - 3) 2(y + 3)(y - 3) (y - 3)(y + 4) (y + 3)(y + 3) |