M 2 -mn+n 2 what should be added to make it a perfect square how to find this?
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m² - mn + n²
we can add 3mn to make it a perfect square as doing so would give us
m² + 2mn + n² which is equal to (m + n)²
basically just try to make the sum of the middle term is equal to twice the sum of the square roots of the variables of the second power in this case m and n
pls mark as brainliest
we can add 3mn to make it a perfect square as doing so would give us
m² + 2mn + n² which is equal to (m + n)²
basically just try to make the sum of the middle term is equal to twice the sum of the square roots of the variables of the second power in this case m and n
pls mark as brainliest
Answered by
2
Answer:
n2+ 5mn + m2) + x = 6m2+ 15mn x = (6m2 + 15mn) - (n2 + 5mn + m2) 6m2 + 15mn - n2 - 5mn - m2 5m2 + 10mn - n2 answer
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