Hasil pengkuadratan (x+4)2 adalah...
A. x² + 8x + 16. C. x + 8x + 16
B. x² + 4x + 16. D. x² + 8x -16
[tex] \tt \color{aqua}easy[/tex]
A. x² + 8x + 16. C. x + 8x + 16
B. x² + 4x + 16. D. x² + 8x -16
[tex] \tt \color{aqua}easy[/tex]
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(x + 4)²
= (x + 4)(x + 4)
= x(x + 4) + 4(x + 4)
= x² + 4x + 4x + 16
= x² + 8x + 16 [ A. ]
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