Matematika Sekolah Menengah Pertama x² + 4x-21 tolong bantuin dong nestorwilliamsonulv – April 10, 2023 x² + 4x-21 tolong bantuin dong [tex]x ^ { 2 } +4x-21 \\ \left(x^{2}-3x\right)+\left(7x-21\right) \\ x\left(x-3\right)+7\left(x-3\right) \\ \left(x-3\right)\left(x+7\right) [/tex] [answer.2.content]
