By Factoring
Solve the equation by factoring. SHOW ALL WORK.
x2 − 9x + 18 = 0
x = 3, x = 6
Factor the expression as the multiplication of two binonmials.
4n2 −49
(2n+7)(2n−7)
Simplify "radical 20".
2 radical 5
Simplify "radical negative 4".
2i
Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.
v2 + 2v − 8 = 0
2, -4
Solve the equation by factoring. SHOW ALL WORK.
x2 = 11x − 28
x = 7, x = 4
Factor the expression as the multiplication of two binonmials.
x2 −9y2
(x + 3y)(x − 3y)
Simplify "radical 45".
3 radical 5
Simplify "radical negative 63".
3i radical 7
Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.
b2 − 4b − 14 = −2
6, -2
Solve the equation by factoring. SHOW ALL WORK.
x2 + 17x + 49 = 3x
x = -7
Factor the expression as the multiplication of two binonmials.
9x2 −1
(3x+1)(3x−1)
Simplify "radical 72".
6 radical 2
Simplify "radical negative 50".
5i radical 2
Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.
x2 - 6x + 12 = 0
3 plus or minus i radical 3
Solve the equation by factoring. SHOW ALL WORK.
k2 + 15k = −56
x = -8, x = -7
Factor the expression as the multiplication of two binonmials.
49x2 − 25y2
(7x+5y)(7x−5y)
Simplify "radical 108".
6 radical 3
Simplify "radical negative 128".
8i radical 2
Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.
9x2 - 4x + 2 = 0
2 plus or minus i radical 14 ALL over 9
Solve the equation by factoring. SHOW ALL WORK.
6k2 − 42k + 72 = 0
x = 3, x = 4
Factor the expression as the multiplication of two binonmials.
54v2 − 6u2
6(3v+u)(3v−u)
Simplify "radical 150".
5 radical 6
Simplify "radical negative 343".
7i radical 7
Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.
10x2 - 4x + 10 = 0
1 plus or minus 2i radical 6 ALL over 5