Question

корень 4+x + корень 4-x = корень 2x

Answer 1

4+x+2√16-x²+4-x=2x
2√16-x²=2x-8
√16-x²=x-4
16-x²=x²-8x+16
16-x²-x²+8x-16=0
-2x²+8x=0
x²-4x=0
x1=0, x2=4