(x+2)³=2x(x²-1) can you know answer of this question?
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Answer:
We have (x + 2)3 = 2x (x2 - 1)
⟹x3 + 6x2 + 12x + 8 = 2x3 - 2x
⟹x3 - 6x2 - 14x - 8 = 0
it is not of the form ax2 + bx + c = 0, a≠0
∴ the given equation is not a quadratic equation.
Step-by-step explanation:
We have (x + 2)3 = 2x (x2 - 1)
⟹x3 + 6x2 + 12x + 8 = 2x3 - 2x
⟹x3 - 6x2 - 14x - 8 = 0
it is not of the form ax2 + bx + c = 0, a≠0
∴ the given equation is not a quadratic equation.
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