Brian is the waiter waiter at a table of four who is bill comes to 110.31 is Brian received a 15% tip approximately how much wil
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Answer:
Your answers would be:
x = 10 and x = -8
Step-by-step explanation:
Solve for the zeros:
x² - 2x - 78 = 2
Subtract both sides by 2.
x² - 2x - 80 = 0
Use the quadratic formula:
a = 1
b = -2
c = -80
Plug in and solve:
Solve for +:
Solve for -: