Intermediate Algebra
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Add or subtract the polynomials.
(2y2−9y+5)+(6y+4y2−7)(2y^2-9y+5)+(6y+4y^2-7)
Subtract y2+3y−4y^2+3y-4 from 6y2−7y+96y^2-7y+9.
Find the sum of 5x2−2x+65x^2-2x+6 and −4x2+2x+8-4x^2+2x+8.
(3x2+9x+15)−(−x2+6x+10)(3x^2+9x+15)-(-x^2+6x+10)
(7x3+xy−8)+(7x2−8)(7x^3+xy-8)+(7x^2-8)