Browse · MATH Print → jmc algebra intermediate Problem Find the coefficient of x when (1+2x)−2(1+2x+3x2)+3(1+2x+3x2+4x3)−4(1+2x+3x2+4x3+5x4) is simplified. Solution — click to reveal The coefficient of x is 2−2⋅2+3⋅2−4⋅2=−4. Final answer -4 ← Previous problem Next problem →