The domain is all real numbers
X² + 6x -12 = 0
x = <u>-(6) +/- √((6)² - 4(1)(-12))</u>
2(1)
x = <u>-6 +/- √(36 + 48)</u>
2
x = <u>-6 +/- √(84)
</u> 2<u>
</u>x = <u>-6 +/- 2√(21)
</u> 2<u>
</u>x = -3 <u>+</u> √(21)
x = -3 + √(21) x = -3 - √(21)
Answer: 72
Step-by-step explanation: Because if you do 18 + 24 + 30
Answer: Yes.
Step-by-step explanation: Think of it as money. Whats bigger? $0.40 or $0.25? 0.4 is bigger.
