1. FACTORISE USING IDENTITY:
x power 2 + 10x + 25
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Answer:
x²+ 10x +25
x²+5x+5x +25
x(x+5) +5 ( x+5)
(x+5) (x+5)
(x+5)²
or using identity
identity = (a+b)² = a²+b² +2ab
x²+ 10x +25 = (x + 5)²
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