Question

(×+2)³=2×(ײ_1)
check the following are quadratic​

Answer 1

Answer:

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

x^3 + 8+ 6x^2 + 12x = 2x^2 - 2

x^3 + 6x^2 - 2x^2 = -2-8

x^3 + 4x^2 = -10

x^3 + 4x^2 +10 =0

it is not a quadratic equation

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