2 x 2 or 2 + 2 = 5
We Know That,
- 20 = - 20
or, 16 - 36 = 25 - 45
or, 16 - 36 + 81/4 = 25 - 45 + 81/4
or, 42 - 2 x 4 x 9/2 + (9/2)2 = 52 - 2 x 5 x 9/2 + (9/2)2
or, ( 4 - 9/2)2 = (5 - 9/2)2
or, √(4 - 9/2)2 = √(5 - 9/2)2
or, 4 - 9̶/2̶ = 5 - 9̶/2̶
or, 4 = 5
good post.carry on.
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You'd have to calculate brackets before anything else!
Taking the sqareroot of the square of something basically is the same as if you'd take the absolute value of the number and it doesn't matter if you have -0,5 or 0,5 both have the absolute value of 0,5. So from the step "making the root" on your calculations are wrong.
You ignored the mathematical rules.
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I am really nice post
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