\left. \begin{array} { l } { 40 ( a + b } \\ { + 15 } \end{array} \right.
Evaluate
40\left(a+b+15\right)
Expand
40a+40b+600
Quiz
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\left. \begin{array} { l } { 40 ( a + b } \\ { + 15 } \end{array} \right.
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40a+40b+600
Use the distributive property to multiply 40 by a+b+15.
40a+40b+600
Use the distributive property to multiply 40 by a+b+15.
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