Let a = x^2 plus 4. Use a to find the solutions for the following equation: (x^2 plus. 4) ^2 plus 32 = 12x^2 plus 48 which of the following are solutions for x

Question

Elianna Fisher

Mathematics

26 February, 01:25

Let a = x^2 plus 4. Use a to find the solutions for the following equation: (x^2 plus. 4) ^2 plus 32 = 12x^2 plus 48 which of the following are solutions for x

+3

Answers (1)

Know the Answer?

Ezekiel Fernandez · Answer 1

0 or + -2

Step-by-step explanation:

(x^2 + 4) ^2 + 32 = 12x^2 + 48

=> x^4 + 8x^2 + 16 + 32 - 12x^2 - 48 = 0

=> x^4 - 4x^2 = 0

=> x^2 (x^2 - 4) = 0

=> x^2 = 0 or 4

=> x = 0 or + -2