Give me the best solution of the question of class 9th ncert of Polynomials chapter of exercise 2.3 How i solve this problem in easy and simple way, please help me for solving this problem Find the remainder when x3+3×2+3x+1 is divided by(v) 5+2x
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5+2x=0
⇒ 2x = −5
⇒ x = -5/2
∴Remainder:
(-5/2)3+3(-5/2)2+3(-5/2)+1 = (-125/8)+(75/4)-(15/2)+1
= -27/8