First separate out the common scalar factor 6 To Find.
Then notice that both x³ And 8=2³ are perfect cubes, so work well with the sum of cubes identity.
With A=x And B=2 We Find.
Putting it together we get.
This has no simpler factors with Real coefficients, as you can check by looking at the discriminant
Δ Of (x²-2x+4)
Δ=b²-4ac=(-2)²-(4×+×4)
Since Δ<0 this quadratic has no Real zeros and no linear factors with Real coefficients.
D.x²-2x+4
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Answers & Comments
First separate out the common scalar factor 6 To Find.
Then notice that both x³ And 8=2³ are perfect cubes, so work well with the sum of cubes identity.
A³+B³=(A+B)(A²-AB+B²)
With A=x And B=2 We Find.
Putting it together we get.
This has no simpler factors with Real coefficients, as you can check by looking at the discriminant
Δ Of (x²-2x+4)
Δ=b²-4ac=(-2)²-(4×+×4)
Since Δ<0 this quadratic has no Real zeros and no linear factors with Real coefficients.
D.x²-2x+4
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