4(2p+3q)^2-(3p-q)^2 因式分解
问题描述:
4(2p+3q)^2-(3p-q)^2 因式分解
答
平方差公式
=[2(2p+3q)+(3p-q)][2(2p+3q)-(3p-q)]
=(4p+6q+3p-q)(4p+6q-3p+q)
=(7p+5q)(p+7q)