the sum of two consecutive even numbers is 120 . what are the numbers
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Answer:
THERE ARE 60 EVEN NUMBERS
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Explanation:
Answered by
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Answer:
Let two consecutive even number be x and x+2
now
x(x+2)=120
x^2+2x=120
x^2+2x-120=0
x^2+(12–10)x-120=0
x^2+12x-10x-120=0
x(x+12)-10(x+12)=0
(X+12) (x-10)
either
x+12=0
x=-12
or
x-10=0
x=10
always positive number is taken as x, so x=10
x+2=10+2=12
therefore, 10*12=120
proof
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