find x value with process
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Answer:
-44x^4
Step-by-step explanation:
3x^4 - (8x^2)^2 + 8(x^2)^2 + (-3x^2)^2
3x^4 - 64x^4 + 8x^4 + 9x^4
x^4(3 - 64 + 8 + 9)
x^4(-44)
-44x^4
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