x2+11x-26因式分解
问题描述:
x2+11x-26因式分解
答
=(x+13)(x-2)
答
x^2+11x-26=﹙x+13﹚﹙x-2﹚
答
x^4-11x^2 1 =(x^4-2x^2 1)-9x^2 =(x^2-1)^2-(3x)^2 =(x^2 3x-1)(x^2-3x-1) x^3 3x^2 3x-26 =(x-2)(x 2;
答
(x+13)(x-2)
答
x2+11x-26=﹙x+13﹚﹙x-2﹚