Question

помогите плиз дам много балов ​

Answer 1

Ответ:

1) $(n+m)^{2} = n^{2}+2nm+m^{2}$

2)$8x-40+x^{2} -5x=x^{2} +3x-40$

3) $-x^{2}+6x-4x+24=-x^{2} +2x+24$

4) $6x^{2} -8x+3x-4=6x^{2} -5x-4$

5) $4ax+2a^{2} +2x^{2} +xa=2a^{2}+2x^{2}+5ax$

6) $x^{2} y^{2} -x^{4}+5y^{4}-5x^{2} y^{2} =-x^{4}+5y^{4}-4x^{2} y^{2}$