Question

(x²+3x)²-2(x²+3x)-8=0​

Answer 1

Answer:

(x²+3x)²-2(x²+3x)-8=0

=> x^4 +3x^2 -2x^2+3x=8

Answer 2

Answer:

Here is your answer

Step-by-step explanation:

Given

(x^2 + 3x)^2 - 2(x^2 + 3x) - 8 = 0

Prove

(x^4 + 9x^2) - 2x^2 - 6x - 8 = 0

x^4 + 7x^2 - 6x - 8 = 0