Step-by-step explanation:
2x²-8x=-10
we arrange the equation first
2x²-8x+10=0
we use almighty formula
-b±√b²-4ac/2a
we substitute
a=2, b=8 and c=10
-8±√8²-4(2)(10)/2(2)
-8±√64-8(10)/4
-8±√64-80/4
-8±√-16/4
-8±4/4
-8+4/4
-4/4=-1
-8-4/4
-12/4=-3
