Question

Solve for x
2x² - 8x=-10

Answer 1

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