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x2 – 2x – 15 = factorize completely (x + 5)(x + 3) (x – 5)(x + 3) (x – 5)(x – 3) (x + 5)(x – 3) x2 + 13x + 30 = factorize completely (x + 3)(x + 10) (x – 3)(x + 10) (x – 3)(x – 10) (x + 3)(x – 10) x2 – 7x + 12= factorize completely (x + 4)(x + 3) (x – 4)(x + 3) (x – 4)(x – 3) (x + 4)(x – 3) x2 + x – 20 = factorize completely (x + 5)(x + 4) (x – 5)(x + 4) (x – 5)(x – 4) (x + 5)(x – 4) x2 +4 x – 12 = factorize completely (x + 2)(x + 6) (x – 3)(x + 4) (x – 6)(x – 2) (x + 6)(x – 2) x2 + 11x – 12 = factorize completely ( x – 3)(x + 4) ( x – 1)(x + 12) ( x + 3)(x – 4) ( x + 4)(x – 3) x2 + 3x - 10 = factorize completely ( x +5 )(x - 2) ( x -5 )(x + 2) ( x -5 )(x - 2) ( x +10 )(x - 1) 𝑥2 + 13𝑥 + 42 = factorize completely ( x – 2)(x + 21) ( x – 3)(x + 14) ( x + 7)(x + 6) ( x + 7)(x – 6) 𝑥2 − 5xy − 24 y2= factorize completely (x – 8y)( x + 3y) (x – 6y)( x - 4y) (x + 8y)(2x + 3y) (x + 8y)( x - 3y) y2 - y - 12 = factorize completely ( y - 2)(y + 6) ( y + 3)(y + 4) ( y - 3)(y - 4) ( y + 3)(y - 4) |