运用乘法公式计算:(m-2n+3p)(m+2n+3p)

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运用乘法公式计算:(m-2n+3p)(m+2n+3p)

运用乘法公式计算:(m-2n+3p)(m+2n+3p)
运用乘法公式计算:(m-2n+3p)(m+2n+3p)

运用乘法公式计算:(m-2n+3p)(m+2n+3p)
(m-2n+3p)(m+2n+3p)
=[(3p+m)+2n][(3p+m)-2n]
=(3p+m)^2-(2n)^2
=9p^2+6pm+m^2-4n^2

m^2 + 6mp + 9p^2 - 4n^2

(m-2n+3p)(m+2n+3p)
=[ (m+3p)-2n] * [(m+3p)+2n]
=(m+3p)^2 -(2n)^2
=m^2+6mp+9p^2-4n^2