2x² + 4x - 16 = 0
2(x²) + 2(2x) - 2(8) = 0
<u>2(x² + 2x - 8)</u> = <u>0</u>
2 2
x² + 2x - 8 = 0
x = <u>-(2) ± √((2)² - 4(1)(-8))</u>
2(1)
x = <u>-2 ± √(4 + 32)</u>
2
x = <u>-2 ± √(36)
</u> 2<u>
</u> x = <u>-2 ± 6
</u> 2<u>
</u> x = -1 ± 3
x = -1 + 3 U x = -1 - 3
x = 2 x = -4
<u />
Answer:
do the a dozen for $13.50
Step-by-step explanation:
It will help save money
Answer:
18
Step-by-step explanation:
The hypotenuse (longest side) = The 2 sides added together.
Answer:
(X-5)(x-3)
Step-by-step explanation:
X^2-8x+15
What multiplies of 15 add up to -8?
-5 and -8
