please answer me this guys
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Answer:
2X^4 + 2X^2 - 7 = 0 ( if X= -4)
Step-by-step explanation:
Sol.:- 2 * (-4)^4 + 5 * (-4)^2 - 7
= 2 * 256 + 5 * 16 - 7
= 512 + 80 - 7
= 592 - 7
= 585 ans.
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