root 2xsquare-5x-18root2
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Step-by-step explanation:
√2x²-5x-18√2=0
√2x²-9x+4x-18√2=0
x(√2x-9)+2√2(√2x-9)=0
(x+2√2)(√2x-9)=0
x=-2√2,9/√2
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