Subtract -9 from both sides.
x2+6x−(−9)=−9−(−9)
x2+6x+9=0
Factor left side of equation.
(x+3)(x+3)=0
Set factors equal to 0.
x+3=0 or x+3=0
x=−3
Answer:
x=−3
Answer:
10
Step-by-step explanation:
7*2 - 2*2 = 14 - 4 = 10
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Answer by JKismyhusbandbae:
You mean like the tricuspid and mitral (bicuspid) valves?
