Réitigh 7m^2-f-[m^2+3n-(5-n)-(-3+m^2)]}-(2n+3)

$$7 m ^ { 2 } - f - [ m ^ { 2 } + 3 n - ( 5 - n ) - ( - 3 + m ^ { 2 } ) ] \} - ( 2 n + 3 )$$

Luacháil

$$7m^{2}-4n-f+2$$

Céimeanna Réitigh

Chun an mhalairt ar 5-n a aimsiú, aimsigh an mhalairt ar gach téarma.

$$7m^{2}-f-\left(m^{2}+3n-5+n-\left(-3+m^{2}\right)\right)$$

Comhcheangail 3n agus n chun 4n a fháil.

$$7m^{2}-f-\left(m^{2}+4n-5-\left(-3+m^{2}\right)\right)$$

Chun an mhalairt ar -3+m^{2} a aimsiú, aimsigh an mhalairt ar gach téarma.

$$7m^{2}-f-\left(m^{2}+4n-5+3-m^{2}\right)$$

Suimigh -5 agus 3 chun -2 a fháil.

$$7m^{2}-f-\left(m^{2}+4n-2-m^{2}\right)$$

Comhcheangail m^{2} agus -m^{2} chun 0 a fháil.

$$7m^{2}-f-\left(4n-2\right)$$

Chun an mhalairt ar 4n-2 a aimsiú, aimsigh an mhalairt ar gach téarma.

$$7m^{2}-f-4n+2$$

Fairsingigh

$$7m^{2}-4n-f+2$$

Céimeanna Réitigh

Chun an mhalairt ar 5-n a aimsiú, aimsigh an mhalairt ar gach téarma.

$$7m^{2}-f-\left(m^{2}+3n-5+n-\left(-3+m^{2}\right)\right)$$

Comhcheangail 3n agus n chun 4n a fháil.

$$7m^{2}-f-\left(m^{2}+4n-5-\left(-3+m^{2}\right)\right)$$

Chun an mhalairt ar -3+m^{2} a aimsiú, aimsigh an mhalairt ar gach téarma.

$$7m^{2}-f-\left(m^{2}+4n-5+3-m^{2}\right)$$

Suimigh -5 agus 3 chun -2 a fháil.

$$7m^{2}-f-\left(m^{2}+4n-2-m^{2}\right)$$

Comhcheangail m^{2} agus -m^{2} chun 0 a fháil.

$$7m^{2}-f-\left(4n-2\right)$$

Chun an mhalairt ar 4n-2 a aimsiú, aimsigh an mhalairt ar gach téarma.

$$7m^{2}-f-4n+2$$