The Quadratic Formula: Missing formula

Complete the equation Factoring trinomials using decomposition Third power Factoring Out the Greatest Common Factor (GCF)Using fractions System of equations with no solution Using short multiplication formulas Identifying and defining elements Complete the one solution equation Equations with variables on both sides Applying the formula with two solutions

Question 1

Solve the following equation:

$\( x^2+x=0 \)$

Question 2

Solve the following equation:

$\( 3x^2-9x=0 \)$

Question 3

Solve the following equation:

$\( 5x^2+10x=0 \)$

Examples with solutions for The Quadratic Formula: Missing formula

Exercise #1

Solve the following equation:

$x^2+x=0$

Video Solution

Answer

$x_1=0,x_2=-1$

Exercise #2

Solve the following equation:

$3x^2-9x=0$

Video Solution

Answer

$x_1=3,x_2=0$

Exercise #3

Solve the following equation:

$5x^2+10x=0$

Video Solution

Answer

$x_1=0,x_2=-2$