verify 3A + 5 whole square - 60 equals to 3 a - 5 whole square
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verify 3A + 5 whole square - 60 equals to 3 a - 5 whole square
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Answer:
a= 1
Step-by-step explanation:
(3a+5)^2 - 60 = (3a-5)^2
9a^2 + 30a +25 - 60 = 9a^2 - 30a + 25
30a - 35 = -30a + 25
60a = 60
So,
a = 1