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Stells [14]
3 years ago
5

What polynomial should be subtracted from the polynomial y2–5y+1 to get the difference equal to: 0

Mathematics
2 answers:
Brut [27]3 years ago
6 0

Answer:

y = 5 or y = 0

Step-by-step explanation:

Solve for y over the real numbers:

y^2 - 5 y = 0

Factor y from the left hand side:

y (y - 5) = 0

Split into two equations:

y - 5 = 0 or y = 0

Add 5 to both sides:

Answer: y = 5 or y = 0

Juliette [100K]3 years ago
4 0

Answer:

y^2-5y+1

Step-by-step explanation:

If you have y^2-5y+1 and you need to subtract something from it to get 0, try it in parts. y^2-y^2=0, -5y+5y=0, 1-1=0. Remember that you are subtracting, so the y^2, the 5y, and the -1 you got are not the actual answers. Since the - in the parenthesis changes the signs, you need the remember to change the signs on the numbers you subtracted from the original numbers. So you get y^2. -5y, and 1. Put them together in a equation, and that's your answer.

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(2x/3)-(2x/5)=-60 and .2x+.9y=19.2
aleksandrvk [35]

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Explanation :

2x/3-2x/5=-60 (1)      

0.2x+0.9y=19.2    (2)    

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