University:
College Entrance Preparation
Course:
ACT Preparation (Mathematics)
Academic year:

2019
Views:

468

Pages:

2
Author:

garciavelascogr13

Factoring #2 – Factoring By Grouping Worksheet KEY 1) x2 + 3x + 2x + 6 (x + 3)(x + 2) 2) x2 +5x + 4x + 20 (x + 5)(x + 4) 3) x2 + 3x – 5x – 15 4) x2 + 2x + 5x + 10 (x + 3)( x – 5) (x + 2)(x + 5) 5) 2x3 –x2 – 10x + 5 6) x3 + 10x2 + 5x + 50 (2x – 1)(x2 – 5) (x + 10)(x2 + 5) 7) x3 + 4x + x2 + 4 8) 2x3 + x2 + 8x + 4 (x + 1)(x2 + 4) 9) 15x3 + 5x2 + 3x + 1 (5x2 + 1)(3x +1) 11) 9p3 + 3p2 + 15p + 5 (3p2 + 5)(3p + 1) 13) 4n3 – 12n2 + 3n -9 (4n2 + 3)(n – 3) 15) 20xy + 12x + 15y + 9 (4x + 3)(5y + 3) (2x + 1)(x2 + 4) 10) 20n3 + 12n2 + 25n + 15 (4n2 + 5)(5n + 3) 12) 6x3 + 10x2 + 3x + 5 (2x2 + 1)(3x + 5) 14) 2m3 – m2 + 4m – 2 (m2 + 2)(2m – 1) 16) 6aw – 36ak + 6b2w – 36b2k (6(a + b2)(w – 6k) 17) 15xy + 6x2 – 5ny – 2nx 18) 12xy + 20xa – 84ay – 140a2 (3x – n)(5y + 2x) 4(x – 7a)(3y + 5a) 19) 20r3 – 4r2 + 15r – 3 20) 10xy + 20x + 14y + 28 (4r2 + 3)(5r – 1) 2(5x + 7)(y + 2) 21) 24xy + 64x2 + 42y + 112x 2(4x + 7)(3y + 8x) 22) 84xy + 196x – 36y – 84 4(7x – 3)(3y + 7)