Question

How do you simplify (`x^2-5`)`*`(`3x^2+4x-7`)?

Answer 1

`(x2−5)(3x^2+4x−7)`
`=(x^2+−5)(3x^2+4x+−7)`
`=(x^2)(3x^2)+(x^2)(4x)+(x^2)(−7)+(−5)(3x^2)+(−5)(4x)+(−5)(−7)`
`=3x^4+4x^3−7x^2−15x^2−20x+35`
`=3x^4+4x^3−22x^2−20x+35`

I hope I helped!