Here I'll Simplify it to show the work.
You need PEMDAS
9(2*2+4÷2)
9(4+4÷2)
9(8÷2)
9(4)
9(4) = 9 × 4 = 36
The Answer is 36.
1/2 x^2 - x + 5 = 0
Multiply through by 2 to get:
x^2 - 2x + 10 = 0

; where a = 1, b = -2 and c = 10

Therefore, x = 1 + 3i or x = 1 - 3i
Answer:
7
Step-by-step explanation: