Answer:
the answer is 2√2.
Step-by-step explanation:
5(8-8x^2)=8
or,40-40x^2=8
or,40-8=40x^2
or,32=40x^2
or,32/40=x^2
or,4/5=x^2
or,√4/5= x
therefore.x=√4/5
