Answer:
B and D people. Your welcome.
Step-by-step explanation:
The given equation is equivalent to Option D .
The mission option is
A. x+10= x+10
B. x+9 =x² + 20x + 100
C. x² +81 = x² + 100
D. x² + 81 = x² +20x + 100
<h3>What is an Equation ?</h3>
An equation is a mathematical statement formed when two algebraic expression is equated by an equal sign .
An equation is given in the question



Therefore the given equation is equivalent to Option D .
To know more about Equation
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Answer:
y=2x^2+1
Step-by-step explanation:
I checked on photo maths
Answer:
20
Step-by-step explanation:
x - 9 = 11
+9 +9
x = 20
Answer:
-10
Step-by-step explanation:
Just set up a simple equation.