Q85: Solve the equation by completing the square.
Q86: Solve the equation by completing the square.
Q87: Solve the equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Solve the
Q88: Solve the equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Solve the
Q89: Give the correct final term for the
Q91: Solve the equation by completing the square.
Q92: Multiply the complex numbers. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Multiply
Q93: Divide the complex numbers. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Divide
Q94: Multiply the complex numbers. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Multiply
Q95: Solve the equation by completing the square.