Simplify each expression with steps
1 answer:
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The answer is A. 40+45 and here is the steps
Answer:
C.
Step-by-step explanation:
We use the Quadractic Formula:
*Excuse the bad ± (plus or minus) sign. It wouldn't let me put it in the equation maker
<em>a</em> = 1
<em>b</em> = -5
<em>c</em> = 7
Step 1: Plug in our variables
Step 2: Solve
√-3 is equal to √-1 times √3, and √-1 is equal to imaginary i
Thus, we have:
(5 ± i√3)/2 or (5 + i√3)/2 and (5 - i√3)/2