Latihan Soal dan Jawaban !

1. 1−x−x2− 11+x

Jawaban : x3

1+ x

2. x2−1(1+ax )2−( x+a)2

Jawaban : 1

a2−1

3. a2

(a2−b2)(a2−c2)+ b2

(b2−c2)(b2−a2)+ c2

(c2−a2)(c2−b2)

Jawaban : 0

4. 1x−3

− 3

x2−4 x+3+ 1

( x−1 )(x¿¿2−5 x+6)¿ Jawaban: x2−8 x+13

( x−1 ) ( x−3 )(x−2) 5. x2− y3

x4− y4 − x− yx2− y2 −

12 { x+ yx2− y3

− 1x+ y }

Jawaban: −x3+x2

x4− y4 6. (−36abcd )2(−a2b3)

(−36ab2 cd )3

Jawaban: 48abcd

7. x−x3

a x3+a x2 ÷a x2+3ax−4 a

4a2 x+a2 x2

Jawaban: −x8. m2−6mn+9n2

m2−4mn+4n2 ÷ (m2−9n2

4n2−m2×m2−mn−6n2

m2+mn−6n2 )Jawaban: −1

9. 3 x2+x+1x3+x2+4 x+4

Jawaban: −53(x−1)

+ 154 (x−2)

+ 2112(x+2)

10. 4 x2+ x+4( x−1 )(x+2)2

Jawaban: 1(x−1)

− 6

(x+2)2+ 3(x+2)