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andriy [413]
3 years ago
12

What substitution should be used to rewrite 4x12 – 5x6 – 14 = 0 as a quadratic equation? u = x2 u = x3      u = x6      u = x12

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0

Answer: u=x^6

Explanation:

A quadratic equation is an equation written in the form

au^2 + bu + c=0 (1)

where a,b,c are coefficients and where u is the variable.

Our original equation is:

4x^{12} - 5x^6 -14=0

If we make the substitution u=x^6, we obtain

4u^2 -5u-14 =0

Which corresponds to eq.(1), with coefficients a=4, b=-5, c=-14.

Arada [10]3 years ago
5 0
Sent a picture of the solution to the problem (s).

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