If John gets 5 years older the square of his age is increased by 185. How old is john now?
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Answer:
16 years old
x is John's age:
x ^ 2 + 185 = (x + 5) ^ 2
x ^ 2 + 185 = x ^ 2 + 25 + 10x
185 - 25 = 10x
160 = 10x
x = 16
Scroll down to see the answer!
Answer:
16 years old
x is John's age:
x ^ 2 + 185 = (x + 5) ^ 2
x ^ 2 + 185 = x ^ 2 + 25 + 10x
185 - 25 = 10x
160 = 10x
x = 16
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