解
展開する (5x2+3x+8)4
解
625x8+1500x7+5350x6+7740x5+14001x4+12384x3+13696x2+6144x+4096
解答ステップ
(5x2+3x+8)4
簡素化 (5x2+3x+8)4:(5x2+3x+8)(5x2+3x+8)(5x2+3x+8)(5x2+3x+8)
=(5x2+3x+8)(5x2+3x+8)(5x2+3x+8)(5x2+3x+8)
拡張 (5x2+3x+8)(5x2+3x+8):25x4+30x3+89x2+48x+64
=(25x4+30x3+89x2+48x+64)(5x2+3x+8)(5x2+3x+8)
拡張 (25x4+30x3+89x2+48x+64)(5x2+3x+8):125x6+225x5+735x4+747x3+1176x2+576x+512
=(125x6+225x5+735x4+747x3+1176x2+576x+512)(5x2+3x+8)
括弧を分配する=125x6⋅5x2+125x6⋅3x+125x6⋅8+225x5⋅5x2+225x5⋅3x+225x5⋅8+735x4⋅5x2+735x4⋅3x+735x4⋅8+747x3⋅5x2+747x3⋅3x+747x3⋅8+1176x2⋅5x2+1176x2⋅3x+1176x2⋅8+576x⋅5x2+576x⋅3x+576x⋅8+512⋅5x2+512⋅3x+512⋅8
簡素化 125x6⋅5x2+125x6⋅3x+125x6⋅8+225x5⋅5x2+225x5⋅3x+225x5⋅8+735x4⋅5x2+735x4⋅3x+735x4⋅8+747x3⋅5x2+747x3⋅3x+747x3⋅8+1176x2⋅5x2+1176x2⋅3x+1176x2⋅8+576x⋅5x2+576x⋅3x+576x⋅8+512⋅5x2+512⋅3x+512⋅8:625x8+1500x7+5350x6+7740x5+14001x4+12384x3+13696x2+6144x+4096
=625x8+1500x7+5350x6+7740x5+14001x4+12384x3+13696x2+6144x+4096