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EMMANHUELGASIN
Answered

Problem Solving Addition and Subtraction of Polynomials
1) What is the sum of 3x^ -11x + 12 and 18x^ + 20 - 100?

2)What is 15x^ + 10x + 4x^ - 10 minus 12x^ + 5x^ + 3x + 4?

3)If you have 100x^ - 5x + 3 pesos in your wallet and you spent 80x^ - 2x^ + 9 pessos in buying foods,how much money is left in you pocket?

I really appreciate it thx

Sagot :

MITCHIKOHARUSAKIIN

Answer:

1. 21x^+11x-68

2. 26x^+7x-14

3. 22x^-5x-6

Step-by-step explanation:

1. 3x^ -11x + 12

+ 18x^ + 20 - 100

-------------------------

21x^+11x-68

2. 15x^ + 10x + 4x^ - 10

- 12x^ + 5x^ + 3x + 4? (note: change the sign to the opposite sign)

15x^ + 10x + 4x^ - 10

12x^ -5x^ - 3x - 4

______________

26x^+7x-14

3. 100x^ - 5x + 3

-80x^ + 2x^ - 9 (note: i change the sign)

--------------------------

22x^-5x-6

sana makatulong haha

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