Solving Quadratics by Factoring

Solving Using Zero-Factor Property when a=1(Standard Form)

100

x²-6x+9=0

x= 3, x= 3

200

x²-2x-15=0

x= 5, x= -3

300

x²+9x+18=0

x= -6, x= -3

400

x²+4x-21=0

x= -7, x= 3

500

x²+12x+36=0

x= -6

Solving using Zero-factor property a=1(Not in Standard form)

100

5x²+10x+46=4x²-5x-10

x= -7, x= -8

200

15x²-12x+50=14x²-6x-31

x=9

300

x²+5x+6=-3x-6

x= -2, x= -6

400

9x²+10x+175=8x²-10x-100

x= -15, x= -5

500

10x²+20x-45

x= -10, x= -5

Solving with Zero-Factor property(a is not equal to one)

100

3x²-2x-5=0

x= -1, x= 5/3

200

6x²-13x-8=0

x= 16/6, x= -3/6

300

3x²-2x-8=0

x= -4/3, x= 2

400

10x²+19x+6=0

x= 2/5, x= -3/2

500

2x²+11x+5=0

x= -5, x= -1/2

Solving with Zero-Factor property(a is not equal to one&Not written in standard form )

100

-9+3x+2x²=0

x= -3, x= -1/2

200

-7+4x²-3x=0

x= 7/4, x= -1

300

-17x+4+4x²=0

x= 4, x= 1/4

400

20+5x²+20x=0

x= -2

500

9x²+5-14x=0

x= -1, x= -5/9

Write in Standard form

100

(x+4)(x+8)

x²+12x+32=0

200

(x-5)(x+10)

x²+5x-50=0

300

(x-20)(x+15)

x²-5x-300=0

400

(x+10)(x-2)

x²+8x-20=0

500

(x-20)(x-15)

x²-35x+300=0