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901² - 1802 + 1
= ??

2007-01-09 02:09:03 · 9 answers · asked by Booyah! 3 in Education & Reference Homework Help

9 answers

You can use qaudratic equation to solve this very easily
(a-b)(a-b)

This will make it (901-1)(901-1) = 900 x 900 = 810000

2007-01-09 02:16:07 · answer #1 · answered by edge 3 · 0 0

Let x = 901. Then your expression is x² -2x +1 = (x-1)².
So 901²-1802+1 = 900² = 810000.

2007-01-09 11:06:36 · answer #2 · answered by steiner1745 7 · 0 0

using the bodmas :
first work the square ( 901 x 901 = 811,801)
second add (1802 + 1 = 1803)
third subtract (811,801 - 1803 = 809,998)
4th you re happy with the answer
its : 809,998

2007-01-09 10:40:36 · answer #3 · answered by please 1 · 0 0

80998
First you do the exponents (901..) = 811801
Then the addition (1802 + 1) = 1803
Then the subtraction. 811801-1803 = 80999

2007-01-09 10:15:55 · answer #4 · answered by grinjill 3 · 0 0

810,000

901^2 equals 811,801.
Subtract 1802= 809,999
Add 1

2007-01-09 10:15:18 · answer #5 · answered by theeconomicsguy 5 · 0 0

901 squared equals 811,801.
811,801 - 1,802 equals 809,999.
809,999 + 1 equals 810,000.

The answer is 810,000.

2007-01-09 10:23:16 · answer #6 · answered by emaline27 1 · 0 0

Girl you are lazy, it is very easy, put that figures in your calculator and get the answer.

2007-01-09 10:35:57 · answer #7 · answered by Anonymous · 0 0

810000

2007-01-09 10:14:55 · answer #8 · answered by dueceyourface 2 · 0 0

it is not so clear

2007-01-09 10:12:52 · answer #9 · answered by Anonymous · 0 0

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