The expanded form of the expression 2.15a+0.03∙(3.4a−12a) is 2.252a - 0.36
Factoring an expression
Given the following expression
2.15a+0.03∙(3.4a−12a)
Open the parenthesis
2.15a+0.03∙(3.4a) −0.03(12a)
2.15a+ 0.102a - 0.36
Simplify
2.252a - 0.36
Hence the expanded form of the expression 2.15a+0.03∙(3.4a−12a) is 2.252a - 0.36
Learn more on factoring here: https://brainly.com/question/25829061
#SPJ2
