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Vynásob a sečti
Vynásob a sečti:
\large p\cdot \left( 3 + p\right) - 5\cdot \left( p^{2} + 3\right) -2p\cdot \left( p + 1\right)
\large = \left( {{p^{2}} - 5{p^{2}} - 2{p^{2}}} \right) + \left( {3p- 2p} \right) - 15 =- 6{p^{2}} + p- 10 = p- 6{p^{2}} - 10
\large = \left( {{p^{2}} - 5{p^{2}} - 2{p^{2}}} \right) + \left( {3p- 2p} \right) - 15 =- 6{p^{2}} + p- 20 = p- 6{p^{2}} - 20
\large = \left( {{p^{2}} - 5{p^{2}} - 2{p^{2}}} \right) + \left( {3p- 2p} \right) - 15 =- 6{p^{2}} + p- 15 = p- 6{p^{2}} - 15
\large = \left( {{p^{2}} - 5{p^{2}} - 2{p^{2}}} \right) + \left( {3p- 2p} \right) - 15 =- 6{p^{2}} + 2p- 15 = 2p- 6{p^{2}} - 15