Factoring quadratic trinomials b=1

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Factor
x² - 5x - 36

• (x - 4)(x + 9)
• (x - 6)(x + 6)
• (x + 4)(x - 9)
• (x -12)(x + 3)

Factor
x² +17x - 60

• (x - 20)(x + 3)
• (x + 12)(x - 5)
• (x - 12)(x + 5)
• (x + 20)(x - 3)

Factor:
x² + 6x + 20

• (x + 4)(x + 5)
• (x + 20)(x + 1)
• (x + 10)(x + 2)
• PRIME

Factor
x² - 5x - 36

• (x - 4)(x + 9)
• (x - 6)(x + 6)
• (x + 4)(x - 9)
• (x -12)(x + 3)

Factor: x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Prime

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:  n² - 2n + 1

• (n + 1)(n - 1)
• (n + 1)²
• prime
• (n - 1)²

Tags

CCSS.HSA.APR.C.4

Factor:
 x² - 15x + 50

• (x - 10)(x - 15)
• (x - 10)(x - 5)
• (x - 25)²
• (x - 5)²