Lesson 10.5

Factor

100

8t^2-2t=3

(2t+1)(4t-3)

200

n^2-7n-30=0

(n+3)(n-10)

300

2x^2-3x-35=0

(2x+7)(x-5)

400

a^2=50-5a

(5-a)(10+a)

Solve for zero

100

f(x)=x^2-12x+35

7=x or x=5

200

f(x)=6x^2-11x+3

x=3/2 or x=-1/3

300

h(x)=x^2+10x-39

x=3 or x=-13

400

g(x)=x^2 -14x-51

x=17 or x=-3

Random

100

Solve for zero

  s(s+1)=72

s=-9 or s=8

200

Factor

g(x)=3x^2+x-14

(3x+7)(x+2)

300

Solve for zero

 p(3p+14)=5

p=-5 or p= 1/3

400

Factor

j(x)=2x^2-x-6

(2x+3)(x-2)