Answer:
C) x2 + x = 306
Step-by-step explanation:
x2 + x = 306
x2 + x - 306 = 0
x2 + 18x - 17x + 18 * (-17) = 0
x ( x + 18) - 17 (x +18) =0
(x + 18) (x - 17 ) = 0
x = -18 or 17
Answer:
![-30](https://tex.z-dn.net/?f=-30)
Step-by-step explanation:
<u>Step 1: Multiply inside the parenthesis
</u>
![2(5 * -3)](https://tex.z-dn.net/?f=2%285%20%2A%20-3%29)
![2(-15)](https://tex.z-dn.net/?f=2%28-15%29)
<u>Step 2: Multiply
</u>
<u />![2(-15)](https://tex.z-dn.net/?f=2%28-15%29)
![2 * -15](https://tex.z-dn.net/?f=2%20%2A%20-15)
![-30](https://tex.z-dn.net/?f=-30)
Answer: ![-30](https://tex.z-dn.net/?f=-30)
Answer:
the figures are congruent because they have 3 congruent sides and three congruent angles