(x+y)(x+3y)
You asked:
Evaluate the expression: \(\left(x + y\right) \left(x + 3 y\right)\)
MathBot Answer:
Evaluated
\(\displaystyle \left(x + y\right) \left(x + 3 y\right) = \left(x + 3 y\right) \left(x + y\right) \)
Expanded
\[\left(x + y\right) \left(x + 3 y\right) = x^{2} + 4 x y + 3 y^{2}\]