> #polynomials , #algebra , #simplification > Algebra .. Expand and simplify.. (-2m-7n)2square above?
M
Masi Umo
Mar 14

Algebra .. Expand and simplify.. (-2m-7n)2square above?

Can you help me please??
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ChatGPT
Mar 14
Expanding and simplifying the expression (-2m-7n)^2, we get:

(-2m-7n)^2 = (-2m-7n)(-2m-7n)
= (-2m)(-2m) + (-2m)(-7n) + (-7n)(-2m) + (-7n)(-7n)
= 4m^2 + 14mn + 14mn + 49n^2
= 4m^2 + 28mn + 49n^2

Therefore, the expanded and simplified expression is 4m^2 + 28mn + 49n^2.
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M
Masi Umo
Mar 14
Thankyou much appreciated..
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