作业帮4.因式分解：x²-25=____.5.因式分解：a³-ab²=____.6..将下列多项式因式分解.①m²-9n²；②ab³-4ab；③﹙5x-3﹚²-16x；④16x的4次方-1.
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/29 18:16:26
xRN0KH&+'NjO{
*1. ҥiXԯH)8MÆDr$#l^oiY3u|DO8~H$Cu )^o7x>*f:O]ް
l3ͫF#f!V8*W+]ek}ηw+LI"/;6+! F*T8FB
( e@'*==$0
!)oϫ<%+$մ=mc$3Ա]Su sv1
U6pj$ $cDlLN]3i?ȷ[SBeVhyt\>%Z/ڄSD+NYD`
v*1S3 =&fCdw ׂ :W
4.因式分解：x²-25=____.5.因式分解：a³-ab²=____.6..将下列多项式因式分解.①m²-9n²；②ab³-4ab；③﹙5x-3﹚²-16x；④16x的4次方-1.
4.因式分解：x²-25=____.5.因式分解：a³-ab²=____.
6..将下列多项式因式分解.①m²-9n²；②ab³-4ab；③﹙5x-3﹚²-16x；④16x的4次方-1.
4.因式分解：x²-25=____.5.因式分解：a³-ab²=____.6..将下列多项式因式分解.①m²-9n²；②ab³-4ab；③﹙5x-3﹚²-16x；④16x的4次方-1.
x²-25=(x+5)(x-5)
a³-ab²=a(a²-b²) = a(a+b)(a-b)
①
m²-9n²
= (m+3n)(m-3n)
②
ab³-4ab
= ab(b-4)
③
(5x-3)²-16x
= (5x+4√x-3)(5x-4√x-3)
④
16x^4-1
= (4x²+1)(4x²-1)
= (4x²+1)(2x+1)(2x-1)
x²-25=(x-5)(x+5)
a³-ab²=a(a+b)(a-b)
m²-9n²=(m+3n)(m-3n)
ab³-4ab=ab(b-2)(b+2)
﹙5x-3﹚²-16x=3*(x-3)(x-1)
16x的4次方-1.=(4x²-1)(4x²+1)=(2x+1)(2x-1)(4x²+1)
1.(x-5)(x 5)2.a(a b)(a-b)3.(m 3n)(m-3n)4.ab(b 2)(b-2)5.(5x-1)(5x-9)6.(4x² 1)(2x 1)(2x-1)