Question

Simplify: 4x(x² - 3x + 1)

Answer 1

`4x\left(x^2-3x+1\right)`

`Distribute\:parentheses`

• 
  `=4xx^2+4x\left(-3x\right)+4x\cdot \:1`

`\mathrm{Apply\:minus-plus\:rules}`

• 
  `+\left(-a\right)=-a`

• 
  `=4x^2x-4\cdot \:3xx+4\cdot \:1\cdot \:x`

`Simplify`

• 
  `=4x^3-12x^2+4x`

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