X^2 - 2x - 15 = 0
(x - 5)(x + 3) = 0
We have two factors:
(x - 5) and (x + 3)
Set each factor to 0 and solve for x.
Take it ftom here.
Answer:
y=5/2
Step-by-step explanation:
10=4y divide four by both sides to get y by itself 10/4=4y/4 so that equals 10/4=y reduce it so 5/2=y
they increased by 70 percent. divide 667 by 912 and you get 0.67237903 but you round to the tenths and get 70% because you move the decimal to the right twice
x² + 3x - 10 = 0
x = -(3) ± √((3)² - 4(1)(-10))
2(1)
x = -3 ± √(9 + 40)
2
x = -3 ± √(49)
2
x = -3 ± 7
2
x = -3 + 7 U x = -3 - 7
2 2
x = 4 U x = -10
2 2
x = 2 U x = -5
Solution Set: {2, -5}
Answer:
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Step-by-step explanation:
