Question

calcule as subtrações a seguir:polinômios
a)7x⁷-5x⁷
b)2x³-3x³
c)3x-(-2x²)-5x-x₂
d)4x⁵-2x³-6x³-(-8x⁵)-x

Answer 1

 

a)7x⁷-5x⁷ = 2x⁷
 
b)2x³-3x³  = - x³

c)3x-(-2x²)-5x-x₂ =  2x² - x₂ +3x - 5x ==> x² - 2x

d) 4x⁵-2x³-6x³-(-8x⁵)-x = 4x⁵-2x³-6x³+8x⁵-x = 12x⁵ - 8x³ - x