Myra is evaluating the expression β31.7 + 4.5x, when x = 2.1. β31.7 + 4.5(2.1) = β27.2(2.1) = β57.12 What was Myraβs error? A.Myra should have multiplied -31.7 and 2.1 first. B. Myra should have multiplied 4.5 and 2.1 first. C. Myra should have subtracted -27.2 and 2.1 first. D. Myra should have added -31.7 and 2.1 first.