请问这两题数学题怎么做?谢谢回答
题目:Faktorkan ungkapan algebra berikut.
来自buku teks matematik tingkatan 2
可参考资料:
http://spmmatematik.onlinetuition.com.my/2016/06/2.html?m=1
1.(写你的题目)
=(m+3)(m+3)-16
=m2+3m+3m+9-16
=m2+6m-7
2.(抄你的题目)
=4(x-1)(x-1)-9
=4(x2-1x-1x+1)-9
=4x2-4x-4x+4-9
=4x2-8x-5