Solve Quadratic Equations by Factoring

Solve

16a² - 9 = 0

• a = ^-3/_{4 and} ³/₄

• a = ^-4/_{3 and} ⁴/₃

• a = ^-9/_{16 and} ⁹/₁₆

• a = ^-16/₉, and¹⁶/₉

Solve

a² + 2a - 24 = 0

• a = -6 and 4

• a = 6 and -4

• a = 12 and -2

• a = -6 and -4

n² - 2n = 0

• n = 2 and 0
• n = -2 and 0
• n = 2
• n = 0

Tags

CCSS.HSA-REI.B.4B

b² = -35 + 12b

• b = 5 and 7
• b = -5 and -7
• b = -5 and 7
• b = 5 and -7

Tags

CCSS.HSA-REI.B.4B

x² + 18x +27 = 8x +3

• x = -6 and -4
• x = 6 and 4
• x = -6 and 4
• x = 6 and -4

Tags

CCSS.HSA-REI.B.4B

Solve equation

2x²+ x - 10 = 0

• x = 5/2 and x=-2

• x = -5/2 and x=2

• x = -5 and 4

• x = 5 and -4

Solve the equation

2x² - 50 = 0

• x = 25 and -25

• x = -5

• x = 5

• x = 5 and -5

Solve the equation

x² = 36

• x = 6 and -6

• x = -6

• x = 6

• x = 36 and -36

Solve. 3x² - 27x = 0

• x = 3 and -3

• x = 0 and 9

• x = -9

• x = 0 and 3

Solve.

2x² + 7x = 15

• x = -3/2 and 5

• x = 10 and -3

• x = -5 and 3/2

• x = -10 and 3