Which of the following are identities?
2 answers:
Answer:
I believe that the answer is 1
Step-by-step explanation:
So an identity is an equation that both sides are equal. So in the first answer 3(5 +2x)=15+6x equals each other because after distributing the 3 into the (5+2X) it equals 15+6x
Answer:
A
Step-by-step explanation:
3(5 + 2x) = 15 + 6x
15 + 6x = 15 + 6x
6x - 6x = 15 - 15
0 = 0
No solution, no identity.
y = x + 3
No identity.
Identity : a² - b² = (a + b) (a - b)
The only identity is option 3.
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