That no matter what if you feel good about yourself you do better at what your doing. Hope I helped!
You would add them all and then decide them by how many numbers there are witch would be 3.
2.22. 3/6.46 =2.1533
2.14.
+2.10
———
6.46
Answer:
10x² - 9x
Step-by-step explanation:
(10x² - 10x - 6) + (x + 6)
10x² - 10x - 6 + x + 6
10x² - 9x - 6 + 6
10x² - 9x
We can factorise this to get (x-9)(x-9). To find the value, each bracket needs to equal 0, so the value would be x=9
