化简(x4+x3+2x2-3x+2)-(ax2_3x2+bx+1)
问题描述:
化简(x4+x3+2x2-3x+2)-(ax2_3x2+bx+1)
答
(x4+x3+2x2-3x+2)-(ax2_3x2+bx+1)
=x^4+x^3-(a-5)x^2-(b+3)x+1