Question

×2-(×+2)(×-2)/7×+1=2/3​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

$\bold{\underline{\underline{Answer:}}}</p><p>$21x³ - 3x² + 2 = 0

$\bold{\underline{\underline{Explanation:}}}$

x²-(x+2)(x-2)/7x+1=2/3​

x²-[x²-2x+2x-4]/7x = 2/3

x² = 2/3 + [x²-2x+2x-4]/7x

x² = [14 + 3(x²-2x+2x-4)]/21x

x² = (14 + 3x²-6x+6x-12)/21x

21x³ = 3x² + 2

21x³ - 3x² + 2 = 0