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After the test…. Factor and solve each of the following: x 2 – 81 x 2 + 3x – 18 . FACTORING POLYNOMIALS. “Around the World”. x 2 + 8x +15. (x+5)(x+3). 5p 2 q + 10q. 5q(p 2 + 2). a 2 + 10a +16. (a + 8)(a + 2). 2m 2 + 6mn. 2m(m + 3n). c 2 - 10c + 25 . (c - 5) 2. y 2 - 81 .

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After the test

After the test…

Factor and solve each of the following:

  • x2 – 81

  • x2 + 3x – 18


Factoring polynomials

FACTORING POLYNOMIALS

“Around the World”


X 2 8x 15

x2 + 8x +15


X 5 x 3

(x+5)(x+3)


5p 2 q 10q

5p2q + 10q


5q p 2 2

5q(p2 + 2)


A 2 10a 16

a2 + 10a +16


A 8 a 2

(a + 8)(a + 2)


2m 2 6mn

2m2 + 6mn


2m m 3n

2m(m + 3n)


C 2 10c 25

c2 - 10c + 25


C 5 2

(c - 5)2


Y 2 81

y2 - 81


Y 9 y 9

(y - 9)(y + 9)


Y 2 3y 4y 12

y2 + 3y + 4y + 12


Y 4 y 3

(y + 4)(y + 3)


D 2 4d 5

d2 + 4d - 5


D 5 d 1

(d + 5)(d - 1)


F 2 6f 7

f2 + 6f - 7


F 7 f 1

(f + 7)(f - 1)


R 2 6r 72

r2 + 6r - 72


R 12 r 6

(r + 12)(r - 6)


S 2 5s 84

s2 - 5s - 84


S 12 s 7

(s - 12)(s + 7)


Y 2 16

y2 - 16


Y 4 y 4

(y - 4)(y + 4)


After the test

x2 - 6x + 5


After the test

(x-5)(x-1)


After the test

x2 - 10x +24


After the test

(x-6)(x-4)


After the test

x2 + 8x +16


After the test

(x+4)(x+4)


After the test

x2 + x -20


After the test

(x+5)(x-4)


After the test

x2 - 15x +36


After the test

(x-12)(x-3)


After the test

8x2 – 16x – 24


After the test

8(x+1)(x-3)


After the test

Homework:

Pg 96 # 1 – 15 all


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