simplify the expression

0.5x+0.4x-0.1x=
after ea. x squared 3

3 answers

are you saying everything is like this

0.5x^3 + 0.4^3 - 0.1^3 ?
if so just do it like simple adding and subtracting

.5+.4 is 0.9x^3 -0.1^3

that becomes 0.8x^3

when adding or subtracting variables with exponent keep all exponent the same
yes sorry never done this before
its okay i just wanted to make sure i had your question right
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