Nice Square Root Math Simplification | How to solve!!
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Nice Square Root Math Simplification
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Пікірлер: 13
Divide by 2 before squaring
2x+4= -2√(x+2) x+2= -√(x+2) Let √(x+2)=a , a>=0** a^2 = -a a(a+1)=0 , a= -1,0 a=0** √(x+2) =0 x= -2***
(A+B)^2 = (C)^2
-2
It's not necessary to move one of the radicals to the right-hand side of the equation to be with the "1." You can perform the two required "squaring" procedures with all the radicals on one side of the equation and you will obtain the correct answer of -2.
@MasterTMathsClass
10 күн бұрын
Nice one
Let t = x + 2.
Not a critical problem and yet O.K.
u=√(3x+7), v=√(x+2), u&v>=0 u+v=1 u²-3v²=1 (1-v)²-3v²=1 v²-2v+1-3v²=1 v²+v=0 v(v+1)=0 v=0, v=-1(v>=0, reject) √x+2=0 x=-2
@MasterTMathsClass
6 күн бұрын
Well done 🎉
u^2=3x + 7 V^2=x+2
@lifewatery7472
6 күн бұрын
Yes
You can use more simple way to solve out,