Solve each equation by factoring.
3) 7x+ 11x=-4
ーt3
4) 5x? + 8x= 0
んナ +
8さ20
メニ
ススt1Xt4=0
7
19
-8+ V82-9(5)
スニ
10
11はいア-417)
2(5)
ズこ
えミ-8420
2(0)
とこ8さ164-2
(0
1さz1-12
7。
ズミーTt-3
14
Xニ-0.17
「4
と、
アミ-は「g
14
Solve eath equation by taking square roots.
2=ー8-210
16
10
Xこー1
8さ19x10
Xミ
(6
Xニ-1.43
5) 2(x -3)?= 32
6) 2n? - 10 = 8
t16 +10
2n2- (p
2
2
2
(x-3) = 16
2
n2:9
X-3-±4
+Jnz : ±Vq
そ3
t3
n=23
2= 324)
