(х+3)^2-х^2=33 , х^2-(х-5)^2=10 , (х+12)^2=х*(х+8) , (х-3)*(х+1)=(х-2)^2. Created by зайка71орпиа. algebra-ru

(х+3)^2-х^2=33 , х^2-(х-5)^2=10 , (х+12)^2=х*(х+8) , (х-3)*(х+1)=(х-2)^2...

July 2022 1 6 Report

(х+3)^2-х^2=33 , х^2-(х-5)^2=10 , (х+12)^2=х*(х+8) , (х-3)*(х+1)=(х-2)^2

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forwow2014 1) x^2 +6x + 9 -x^2 =33
6x = 24
x = 4
2) x^2 - x^2 + 10x - 25 = 10
10x = 35
x=3.5
3) x^2 + 24x +144 = x^2 + 8x
144 = 8x - 24x +x^2 - x^2
144 = -16x
x = -9
4) x^2 - 3x + x -3 = x^2 -4x + 4
2x = 7
x=3.5

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