Question

the factorizing of 5x4+20x3

Answer 1

Answer:

$\tt{5x^4 + 60 = 0}$

$\tt{5x^4 = -60}$

$\tt{x^4 = -14}$

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Answer 2

Answer:

5x⁴ + 20 × 3

5x⁴ + 60 = 0

5x⁴ = -60

x⁴ = -12