因式分解X+4貌似要增加一项，配方神马的试试看吧。在实数范围内的说。

您可能感兴趣的试题

• 1高肾素型高血压患者首选A、阿替洛尔或卡托普利B、美托洛尔或硝苯地平C、硝苯吡啶或卡托普利D、呋塞米

  高肾素型高血压患者首选

  A、阿替洛尔或卡托普利

  B、美托洛尔或硝苯地平

  C、硝苯吡啶或卡托普利

  D、呋塞米或尼群地平

  E、硝普钠或硝酸甘油

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 2关于轮换式的因式分解题第一题:a^2(b+c)+b^2(c+a)+c^2(a+b)—(a^3+b^3
  关于轮换式的因式分解题第一题:a^2(b+c)+b^2(c+a)+c^2(a+b)—(a^3+b^3+c^3)-2abc=第二题：(a+b+c)^3-a^3-b^3-c^3=第三题：(x-y)^5+(y-Z)^5+(z-x)^5=要求：回答几道都没有关系,但是一定要有过程,而且做之前最好写好题好,我真的很急,答得好重重有赏,
  
  点击查看答案进入在线练题题不想做，我帮你做
• 3Which of the following statements is NOT mentioned as a reason of the disappearance of lan

  Which of the following statements is NOT mentioned as a reason of the disappearance of languages？

  A．Government policies discourage native tongues to develop.

  B．Diseases and natural disasters destroy native tongues.

  C．Immigrants tend to desert their native tongues.

  D．Pressure from economic development stimulates the disappearance of languages.

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 4因式分解：a2（b+c-2a）+b2（c+a-2b）+c2（a+b-2c）+2（a2-b2）（a-c
  因式分解：a2（b+c-2a）+b2（c+a-2b）+c2（a+b-2c）+2（a2-b2）（a-c）+2（b2-c2）（b-a）+2（c2-a2）（c-b）．
  
  点击查看答案进入在线练题题不想做，我帮你做
• 5这道题怎么算
  这道题怎么算 
  
  点击查看答案进入在线练题题不想做，我帮你做
• 6自然通风气流下降式烤房通风排湿即打开（)。A.进风洞B.排湿管C.天窗D.风机

  自然通风气流下降式烤房通风排湿即打开()。

  A.进风洞

  B.排湿管

  C.天窗

  D.风机

  此题为多项选择题。请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 7Its very likely that you will make mistakes in foreign countries______.A．by following the

  Its very likely that you will make mistakes in foreign countries______.

  A．by following the conventions in your society

  B．by imitating all their behaviors

  C．with too much knowledge on conventions

  D．without knowing their behaviors

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 8这道题脱式计算怎样算
  这道题脱式计算怎样算 
  
  点击查看答案进入在线练题题不想做，我帮你做
• 9这道题怎么计算
  这道题怎么计算 
  
  点击查看答案进入在线练题题不想做，我帮你做
• 10What is the mans request？A．To have breakfast in the room.B．To pay the bill when checking o

  What is the mans request？

  A．To have breakfast in the room.

  B．To pay the bill when checking out.

  C．To sign the name in the morning.

  D．To use a new credit card for the room.

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做