(3x³ - 7x² + 12) - (3x³ + 6x² + 10x)
(3x³ - 3x³) + (-7x² + 6x²) - 10x + 12
-x² - 10x + 12
Answer:
x= 1/8
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
-12 + 8
-4
We are asked to get the algebraic expression of the given phrase "twelve times the sum of a number and seven-tenths". The solution is shown below:
Let start with the phrase "number and seven-tenths", We need to assign "x" to represent the unknown number such that the phrase equals to "x+ 7/10".
To complete the algebraic expression of the phrase "twelve times the sum of a number and seven-tenths", we have:
12(x+7/10)
The answer is 12(x + 7/10).