Use the grouping method to factor the polynomial in the box completely. Use caret symbol ( ^ ) write exponets; for example, enter x² as x^2. Write each factor as a polynomial in descending order. 5x⁴ + 20x³ + 45x

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Use the grouping method to factor the polynomial in the box completely. Use caret symbol ( ^ ) write exponets; for example, enter x² as x^2. Write each factor as a polynomial in descending order. 5x⁴ + 20x³ + 45x
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Given polynomial is 5x^4 + 20x^3 + 45x 

                                = 5x*x^3 + 5x*x^2 + 9*5x

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