Azellahviz
Azellahviz
Math
Answered
1+√(x+5)=x solve for x
Sagot :
Cheahjimmyviz
Cheahjimmyviz
1+√(x+5) = x
√(x+5) = x-1
(√x+5)² = (x-1)²
x+5= x²-2x+1
x²-3x-4 =0
(x-4)(x+1) = 0
x= 4 or x = -1
only x = 4 is true
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