Question

(1)x2 + 3x + 1 = (x - 2)2
(2) (x + 2)3 = 2x (x2 - 1)
( 3 ) *3 - 4x2 - x + 1 = (x - 2)3​

Answer 1

Answer:

1.

LHS ⇒x²+3x+1 ...(1)

RHS ⇒(x−2)²

⇒x² −4x+4 ...(2)

∴x² +3x+1=x² −4x+4

⇒3x+1=−4x+4

⇒7x−3=0

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Answer 2

Answer:

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Step-by-step explanation:

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