Question

[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x

Answer 1

原式=（15x²+16xy+4y²+x²-4y²）/4x
= (16x²+16xy)/4x
=4x+4y
此题是利用多项式的乘法及平方差公式进行计算的，希望你能看得懂，祝学习愉快！

Answer 2

[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x
=(15x²+6xy+10xy+4y²+x²-4y²)÷4x
=(16x²+16xy)÷4x
=4x+4y