若3√2x-√18=√8,则x的值等于
问题描述:
若3√2x-√18=√8,则x的值等于
答
若 3√2x - √18 = √8
则 3√2x = √18 + √8
x = (√18/3√2)+ (√8/3√2)
= (√4/3)+ (√9/3)
= 2/3 + 3/3
= 5/3
答
3√2x-√18=√8
3√2x=3√2+2√2
3√2x=5√2
x=5√2÷3√2
x=5/3