When I square my number, I get the same answer as when I multiply my number by 10 and then add 144. My number is positive. What
is it?
1 answer:
Answer:
your number is 18
Step-by-step explanation:
x^2 = (x × 10 ) + 144
x^2 = 10x + 144
x^2 - 10x - 144 = 0
using quadratic method
your answer should be
(x- 18) ( x+8 )
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