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6x⁴+5x²-6 factorise |
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Answer» Consider x 4 +5x 3 +5x 2 −5x−6Let US rewrite asx 4 −x 3 +6X 3 −6x 2 +11x 2 −11x+6x−6x 3 (x−1)+6x 2 (x−1)+11x(x−1)+6(x−1)(x−1)(x 3 +6x 2 +11x+6)(x+1)(x 3 +2x 2 +4X 2 +8x+3x+6)(x−1)(x 2 (x+2)+4x(x+2)+3(x+2))(x−1)(x+2)(x 2 +4x+3)(x−1)(x+2)(x+1)(x+3)(X 2 −1)(x+2)(x+3) |
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