Show:
Easy Trinomials
Difficult Trinomials
Solve by Factoring
Solve by Quadratic Formula
Difference of Squares
100
Factor: b^2 + 8b +7
(b+7)(b+1)
100
Factor: 5n^2 + 19n + 12
(5n+4)(n+3)
100
a^2 - 13a + 40 = 0
a = (5) and (8)
100
x^2 + 9x + 18=0
x = (-6) and (-3)
100
Factor: a^2 - 9
(a+3)(a - 3)
200
Factor: m^2 +2m -24
(m+6)(m-4)
200
Factor: 7r^2 + 53r + 28
(7a+4)(a+7)
200
n^2 - 11n = - 10
n = (10) and (1)
200
2x^2 + 11x + 12 = 0
x = (-3/2) and (-4)
200
Factor: 2x^2 - 32
2(x+4)(x - 4)
300
Factor: x^2 - 13x +40
(k-5)(k-8)
300
Factor: 15n^2 - 27n - 6
3(5n+1)(n - 2)
300
2x^2 + 5x = - 2
x = (-1/2) and (-2)
300
3x^2 + 13x = 10
x = (2/3) and (-5)
300
Factor: 121x^2 - 25y^2
(11x + 5y)(11x - 5y)
400
Factor: x^2 - x - 56
(x+7)(x - 8)
400
Factor: 6x^2 + 37x +6
(x+6)(6x+1)
400
6x^2 + 7x = 49
x= (7/3) and (-7/2)
400
4x^2 + 1 = - 4x
x = (-1/2)
400
Factor: 81x^4 - 196
(9x^2 + 14)(9x^2 - 14)
500
2x^2 + 22x +60
2(x+5)(x+6)
500
Factor: 32a^2+120a-200
8(a+5)(4a - 5)
500
6a^2 = - 25a - 25
a=(-5/2) and (-5/3)
500
5x^2 - 2 = - 9x
x = (1/5) and (-2)
500
Factor: 16x^8 - 64x^2
16x^2 (x^3 + 4)(x^3 - 4)