因式分解1.4-36b² 2.(x+p)² 3.1+10t+25t² 4.m²-14m+49 5.y²+y+1/4
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/24 16:02:58
因式分解1.4-36b²2.(x+p)²3.1+10t+25t²4.m²-14m+495.y²+y+1/4因式分解1.4-36b²2.(x+
因式分解1.4-36b² 2.(x+p)² 3.1+10t+25t² 4.m²-14m+49 5.y²+y+1/4
因式分解1.4-36b² 2.(x+p)² 3.1+10t+25t² 4.m²-14m+49 5.y²+y+1/4
因式分解1.4-36b² 2.(x+p)² 3.1+10t+25t² 4.m²-14m+49 5.y²+y+1/4
1. 4-36b²
=4(1-9b²)
=4(1+3b)(1-3b)
2. (x+p)²
3. 1+10t+25t²
=(1+5t)²
4.m²-14m+49
=(m-7)²
5. y²+y+1/4
=(y+1/2)²