5(2x+5)²化简

来源：学生作业帮助网编辑：六六作业网时间：2024/12/26 20:02:25

5(2x+5)²化简5(2x+5)²化简5(2x+5)²化简=5((2x)^2+2*(2x)*5+5^2)=5(4x^2+20x+25)=20x^2+100x+125=5

5(2x+5)²化简
5(2x+5)²化简

5(2x+5)²化简
=5((2x)^2+2*(2x)*5+5^2)
=5(4x^2+20x+25)
=20x^2+100x+125

=5(4x²+20x+25)
=20x²+100x+125

5(2x+5)²
=5（4x²+20x+25)
=20x²+100x+125