Ask questions, share knowledge, and connect with a vibrant community on IDNLearn.com. Our platform offers reliable and detailed answers, ensuring you have the information you need.

Evaluate 3x2−9
when x=−2



Sagot :

Answer:

3

Step-by-step explanation:

substitute x = - 2 into the expression

3x² - 9

= 3(- 2)² - 9

= 3(4) - 9

= 12 - 9

= 3