Jawaban:
[tex]3 {a}^{2} + 2[/tex]
[tex] \sf (2 {a}^{2} - a + 3) + ( {a}^{2} + a - 1)[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} - a + a + 3- 1[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} - a + a -2[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} - 0 - 2[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} + 2[/tex]
[tex] \sf = 2 + 1 {a}^{2} + 2[/tex]
[tex] \sf = \red{3 {a}^{2} + 2}[/tex]
'조슈아' (Svt)
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Jawaban:
[tex]3 {a}^{2} + 2[/tex]
Jawaban:
Penyelesaian :
[tex] \sf (2 {a}^{2} - a + 3) + ( {a}^{2} + a - 1)[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} - a + a + 3- 1[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} - a + a -2[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} - 0 - 2[/tex]
[tex] \sf = {2a}^{2} + {a}^{2} + 2[/tex]
[tex] \sf = 2 + 1 {a}^{2} + 2[/tex]
[tex] \sf = \red{3 {a}^{2} + 2}[/tex]
'조슈아' (Svt)