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Activity 1: Divide the following polynomials using long division
a) (2x + 9 + 3x - 4) + (x+4)
b) (x+27) + (2x + 3)
11 - 2012 14
c)​


Sagot :

Answer:

a.) (2x³+9x²+3x-4)÷(x+4)

_2x²+x-1____

x+4) 2x³+9x²+3x-4

(-)2x³+8x² ↓ ↓

___________

x² + 3x

(-) x² + 4x ↓

___________

-x - 4

(-) -x - 4

______

0

b.) (8x³+27)÷(2x+3)

__4x²-6x-9______

2x+3) 8x³ +27

(-) 8x³+12x² ↓

______________

-12x²

(-) -12x²-18x ↓

_______________

-18x + 27

(-) -18x - 27

_______________

54

c.) (11x-20x²+12x³-14)÷(x-2)

_12x²+4x+19_____

x-2) 12x³-20x²+11x-14

(-) 12x³-24x² ↓ ↓

_______________

4x² +11x

(-) 4x² - 8x ↓

_____________

19x - 14

(-) 19x - 38

__________

24

Step-by-step explanation:

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