Question

simplify x (2x - xy ) -2y (3y - 2x squre y)+ x square ( 1 + y square) ​

Answer 1

Answer:

Step-by-step explanation:

(2x+3y)  

2

=(2x)  

2

+2(2x)(3y)+(3y)  

2

 

=4x  

2

+12xy+9y  

2

 

Aliter: (2x+3y)  

2

=(2x+3y)(2x+3y)

=2x(2x+3y)+3y(2x+3y)

=(2x)(2x)+(2x)(3y)+(3y)(2x)+(3y)(3y)

=4x  

2

+6xy+6yx+9y  

2

[∵xy=yx]

(2x+3y)  

2

=4x  

2

+12xy+9y  

2