Now add a constant value on both sides to complete the square in the variable side. Take the square root and do simple mathematical calculations. Answer and Explanation: The given quadratic equation: $$\displaystyle 3x^{2} +12x -39 = 0 \\[0.2 cm] $$ Now we are usin...
Know how to complete the square to solve a quadratic equation or find the roots of a quadratic equation. Related to this QuestionSolve the following equation by completing the square: 3x^2 + 18x = 21. Solve by completing the square. -3x^{2} + 7x - 8 = 0 Solve the quadratic ...
Solve the given equation by completing the square. [ Show all work.] [ Express the answer in simplest radical form if necessary.] x − 4x + 1 = 0 相关知识点: 试题来源: 解析 2± WORK SHOWN: x − 4x + 1 = 0, x − 4x = −1, x − 4x + 4 = −1 + 4, (x ...
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Solve the given equation by completing the square. [ Show all work.] [ Express the answer in simplest radical form if necessary.]c= − 3c − 18 = 0 相关知识点: 试题来源: 解析 −3, 6WORK SHOWN: c= − 3c − 18 = 0, c= − 3c = 18, c= − 3c + = 18 + , (c...
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Use the Square Root Property to solve the equation: 81a^2 - 25 = 0 Use the Square Root Property to solve the equation: 14 + 2a^2 = 0 Use the Square Root Property to solve the equation: x + 1 = 2x - 7/x + 5 - 5x + 8/x + 5 ...
step l: There realy isn't too much to this problemn. Just recall thar we need to get the squared term on one sibe of the equation by itself with a coefficent of et= Tor this problem that gives A lgebra(6b+1)2=—3 step2: Uing the Square Root Property gives 6+1=F3=i finish th...
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Solve the given quadratic equation by finding a square root. Express in simplest a + bi form. [ Show all work.]x= + 7 = 0 相关知识点: 试题来源: 解析 0 ± i√7WORK SHOWN: x= + 7 = 0, x= = −7, x = ±√(-7) = ± i√7 = 0 ± i√70 ± i√7WORK SHOWN: x= ...