Question

factorise (x²-x)(4x²-4x-5)-6​

Answer 1

Answer:

4x4-8x3-7x2-11x

Step-by-step explanation:

see in the photo given

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Answer 2

Answer:

(x - 2)(x + 1)(4x² - 4x + 3)

Step-by-step explanation:

• (x²- x)(4x²- 4x - 5)-6​=
• 4x⁴- 8x³- x² + 5x-6=
• 4x³(x - 2) - x(x-2) + 3(x-2)=
• (x - 2)(4x³ - x + 3)=
• (x - 2)(4x³ + 4  - x -1)=
• (x - 2)(4(x + 1)(x²- x + 1) - (x + 1))=
• (x - 2)(x + 1)(4x² - 4x + 4 - 1)=
• (x - 2)(x + 1)(4x² - 4x + 3)