Respuesta :
Answer:
Step-by-step explanation:
3a²+9ab+5-(4a²-4ab+3)=3a²+9ab+5-4a²+4ab-3=-a²+13ab+2
An expression is defined as a set of numbers, variables, and mathematical operations. The simplified expression for 3a²+9ab+5-4a²-4ab+3 is -4a²+5ab+8.
What is an Expression?
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
Like terms are those terms that are having the same variables, also the variables are of the same order as well.
The simplified expression for 3a²+9ab+5-4a²-4ab+3 can be done as shown below,
3a² + 9ab + 5 - 4a² - 4ab + 3
Bring the like terms together,
= 3a² - 4a² + 9ab - 4ab + 5 + 3
Simply the like terms
= -4a² + 5ab + 8
Hence, The simplified expression for 3a²+9ab+5-4a²-4ab+3 is -4a²+5ab+8.
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