x³+6x²+12x+16 factorise
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1
Answer:
3
Step-by-step explanation:
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Answered by
2
Step-by-step explanation:
x³+6x²+12x+16
= x³ + 3 ×2 × x² + 3× 2² ×x + 2³
= (x+2)³
= (x+2)(x+2)(x+2)
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