Question

2x⁴+x³-5x²-2x+2 find the roots of this equation​

Answer 1

Ans :

(+1)(2−1)(2−2)

Step-by-step explanation:

Find one factor BY HIT AND TRIAL .

Factor by grouping

(+1)(23−2−4+2)

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(+1)(23−2−4+2)

(x+1)(2x^{3}-x^{2}-4x+2)(x+1)(2x3−x2−4x+2)

(+1)(23−12−4+2)

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(+1)(23−12−4+2)

(+1)((2−1)⋅2−2(2−1))

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(+1)(2−1)(2−2)

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(+1)(2−1)(2−2)

Answer 2

Answer:

Step-by-step explanation:

Step 1

((( 2 x (x^3)) - 5x^2) + 4x) -1 = 0

Step 2

(( 2x^3 - 5x^2) + 4x) -1 = 0

Step 3

2x^3 - 5x^2+ 4x-1