Factoring Quadratics 2

Factoring 1

100

x²-7x-18

(x-9)(x+2)

200

7x²-31x-20

(7x+4)(x-5)

300

2b²+17b+21

(2b+3)(b+7)

400

10m²+89m-9

(m+9)(10m-1)

500

9p²r+73pr+70r

r(9p+10)(p+7)

Factoring 2

100

p²-5p-14

(p+2)(p-7)

200

7x²-32x-60

(7x+10)(x-6)

300

5p²-p-18

(5p+9)(p-2)

400

9r²-5r-10

PRIME

500

28n⁴+16n³-80n²

4n²(7n-10)(n+2)

Factoring 3

100

m²-9m+8

(m-1)(m-8)

200

7x²-45x-28

(7x+4)(x-7)

300

2n²-9n-35

(2n+5)(n-7)

400

4k²+76k+360

4(k+10)(k+9)

500

3b³-5b²+2b

b(3b-2)(b-1)

Factoring 4

100

7k²+9k

k(7k+9)

200

x²-16x+63

(x-9)(x-7)

300

16a²-8a

8a(2a-1)

400

24x⁴+18x⁵+9x²

3x²(8x²+6x³+3)

500

25x⁴+100x²

25x²(x²+4)

Solving

100

n²+8n+12=0

n=-6,-2

200

n²-17n=-70

n=7,10

300

10m²+31m+3

m=-3, -1/10

400

16v²+24v+9

v=3/4

500

r³+13r²+40r

r=0,-8,-5