Question

Factorise (x^2 +7x)^2 +22(x^2 +7x) +105

Answer 1

Answer:

x⁴+71x²+304

Step-by-step explanation:

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Answer 2

Answer:

x⁴+36x²+154x+105

Step-by-step explanation:

(x²+7x)²+22(x²+7x)+105

x⁴+14x²+22x²+154x+105

x⁴+36x²+154x+105

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