Sunday

January 25, 2015

January 25, 2015

Posted by **timothy** on Sunday, December 9, 2012 at 5:34pm.

x^2-3x=4

please show work

- math -
**Steve**, Sunday, December 9, 2012 at 8:08pmx^2 - 2(3/2)x = 4

x^2 - 2(3/2)x + (3/2)^2 = 4 + (3/2)^2

(x-3/2)^2 = 25/4

(x-3/2)^2 = (5/2)^2

x - 3/2 = ±5/2

x = 3/2 ± 5/2 = -1 or 4

**Answer this Question**

**Related Questions**

maths - Consider the equation x(square) + 4px + 2q = 0 where p and q are real ...

math - solve each of the following equations by completing the square and show ...

math - solve each of the following equations by completing the square and show ...

maht,correction please - Problem #1 Solve by completing the square 2x^2-4x-11=0 ...

Math - Solve the quadratic function y=2x^2-14x -16 by completing the square. ...

Algebra 2 - Completing the square method allows you to solve any quadratic ...

Intermediate Algebra - Solve by completing the square: x^2-6x+3=0 show steps ...

Math - Hi everyone. Would someone be able to help me with this problems? I know ...

Math - Algebra - A. Solve the following quadratic equations. Make sure to show ...

Math - I need help with these three problems. They are on a Study Guide and I ...