分解因式问题(用公式法或x²+(p+q)x+pq型的因式分解)①求证:不论x取何值时,代数式-x²+x-1总为非正数.分解因式②a²-3ab-4b² ③(x-y)m³-xm+ym④x的四次方+x²y²+y的四次
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 06:09:27
![分解因式问题(用公式法或x²+(p+q)x+pq型的因式分解)①求证:不论x取何值时,代数式-x²+x-1总为非正数.分解因式②a²-3ab-4b² ③(x-y)m³-xm+ym④x的四次方+x²y²+y的四次](/uploads/image/z/441464-32-4.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E9%97%AE%E9%A2%98%EF%BC%88%E7%94%A8%E5%85%AC%E5%BC%8F%E6%B3%95%E6%88%96x%26sup2%3B%2B%EF%BC%88p%2Bq%EF%BC%89x%2Bpq%E5%9E%8B%E7%9A%84%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%89%E2%91%A0%E6%B1%82%E8%AF%81%3A%E4%B8%8D%E8%AE%BAx%E5%8F%96%E4%BD%95%E5%80%BC%E6%97%B6%2C%E4%BB%A3%E6%95%B0%E5%BC%8F-x%26sup2%3B%2Bx-1%E6%80%BB%E4%B8%BA%E9%9D%9E%E6%AD%A3%E6%95%B0.%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E2%91%A1a%26sup2%3B-3ab-4b%26sup2%3B+%E2%91%A2%EF%BC%88x-y%EF%BC%89m%26sup3%3B-xm%2Bym%E2%91%A3x%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%2Bx%26sup2%3By%26sup2%3B%2By%E7%9A%84%E5%9B%9B%E6%AC%A1)
xUNA~jv3@2AL/v`MٻiSOEA4A5QBwWߪW p;ߜ9HϱGzX{Qmg_؇x)gKoY4Zmg)J/ݕnw#@'gx.ek:̶qZvgX͖ո'<:3(+i4uϐ:}B)S4T'w@]U[vdH$2D>#&7'K&'BDD[e Vs8WE}Ky1"kzD`T8bThȰ[%ܯGTQjਁT AAlψGg{gQÜC,s{
skGg";˽ǠJm.IBjd: