Question

Find the remainder if x2 + 3x -1 is divided by (x + 2)?​

Answer 1

Answer:

Step-by-step explanation:

Let p ( x ) = x square + 3x - 1 and g ( x ) = x + 2 = 0⇒ x = - 2

Now substituting " x = - 2 " in p ( x ),we get

p ( - 2 ) = ( - 2 )whole square + 3 ( - 2 ) - 1

= 4 - 6 - 1 ( ∵ + × - = - )

= 4 - 7 ( ∵ - 6 - 1 = - 7 addition )

= - 3.

∴ remainder = r ( x ) = - 3.

Answer 2

Answer:

x+1 n remembered is -3

Step-by-step explanation:

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