University:
Everett Community College
Course:
MATH 138 | Applied College Algebra
Academic year:

2009
Views:

113

Pages:

2
Author:

Tulimieropcs

Sums, Differences and Products of Polynomials Perform the indicated operations and simplify. 1) (4x2-3x+2) + (2x2-5x-7) 2) (4x2-3x+2)-(2x2-5x-7) 3) (2x2-3x)-(-4x+5)-(3x2-2x+1) 4) Subtract 5x2-3x+2 from x-1 5) Find the sum of 3x2-6xy+16y2, 3xy-6y2, and -5x2-3xy 6) Subtract the sum of 2x2-3x+4 and 5x2-3 from 2x3-4 7) -3a2b2(4a2b-3ab+2a) 8) 3xy(2x-3y+4)-2x(5xy-3y)-2xy2 9) (y-4)(y-8) 10) (2x-3)(3x+5) [PT 99-6] 11) (2a-5b)(a+2b) 12) (5a+3b)(a-2b) 13) (3x-2)2 14) (4x2-5y)2 15) (2x-5)(3x2-2x+1) 16) (7x2+3xy-2y2)(3x-2y) 17) (2x-3y)3 18) (x+y+5)2 19) (7x2-5y3)(7x2+5y3) 20) (5a-3b)(5a+3b) Answers: 1) 6x2-8x-5 2) 2x2+2x+9 3) –x2+3x-6 4) -5x2+4x-3 5) -2x2-6xy+10y2 6) 2x3-7x2+3x-5 7) -12a4b3+9a3b3-6a3b2 8) -4x2y+18xy-11xy2 9) y2-12y+32 10) 6x2+x-15 11) 2a2-ab-10b2 12) 5a2-7ab-6b2 13) 9x2-12x+4 14) 16x4-40x2y+25y2 15) 6x3-19x2+12x-5 16) 21x3-5x2y-12xy2+4y3 19) 49x4-25y6 17)8x3-36x2y+54xy2-27y3 20) 25a2-9b2 18) x2+2xy+y2+10x+10y+25