Explicación paso a paso:
3( x-1 ) ( 3x+1) + 3 ( 2x+1)
9x² - 6x -3 +3 ( 2x +1)
9x² +( -6+6) x+ ( -3 +3 )
9x² + ( -3 +3)
= 9x ² respuesta
respuesta:
[tex]9 { \times }^{2} [/tex]
[tex]3( \times - 1)(3 \times + 1) + 3(2 \times + 1)[/tex]
[tex](3 \times - 3) \times (3 \times + 1) + 3(2 \times + 1)[/tex]
[tex]9 { \times }^{2} + 3 \times - 9 \times - 3 + 6 \times + 3[/tex]
[tex]9 { \times }^{2} + 0[/tex]
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Explicación paso a paso:
3( x-1 ) ( 3x+1) + 3 ( 2x+1)
9x² - 6x -3 +3 ( 2x +1)
9x² +( -6+6) x+ ( -3 +3 )
9x² + ( -3 +3)
= 9x ² respuesta
Verified answer
respuesta:
[tex]9 { \times }^{2} [/tex]
Explicación paso a paso:
[tex]3( \times - 1)(3 \times + 1) + 3(2 \times + 1)[/tex]
[tex](3 \times - 3) \times (3 \times + 1) + 3(2 \times + 1)[/tex]
[tex]9 { \times }^{2} + 3 \times - 9 \times - 3 + 6 \times + 3[/tex]
[tex]9 { \times }^{2} + 0[/tex]
[tex]9 { \times }^{2} [/tex]