A² - 225 = (a-15)(a+15)
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Answer:
x=
Step-by-step explanation:
3x-12-6x+21=23
-3x+9=23
-3x=14
x=
Answer:
28.4
Step-by-step explanation:
To use the distributive property, split the 7.1 to 7 and .1
4*7 would be 28 and 4*.1 would be .4
Adding them together would make the answer 28.4
Answer:
X=2.6
Step-by-step explanation: