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Les matematika smp bojonegoro
Task Formatif 1
Factorisation of algebraic form
Class 8

1.Simplify the following sums and differences ! ( Sederhanakan dalam bentuk Jumlah dan selisih )
a.3x + 4y +5x – 2y p.2x – 3y -6x + 5y
b.2x – 5y – 3x + 7y q.5x – 4y + x +2y
2.The sum of ( jumlah dari )
a.3a – 5b and 4a + 3b p. 5p + 4q and 2p – 2 q
b. 5a -3b – 2c and a – 3b + 7c q. 6p – 3q – 2r and 2p – 2q + 4r
3.the difference between ( selisih antara )
a.5a + 2 b of 4a – b p.6p – 2q of 2p – 5q
b.5a -3b -2c of 3a – 5b + 4c q. 4p – 3q – 2r of 3p -2q – r
4.Find the product of ( tentukan hasil dari )
a. (2 x +3y)(x -5y) p. (3p – 2q )(3p –q)
b.(x + 5 )( x – 3) q. (x -3 )( x- 5)
c.( x +2y )² r.(x -+ 3y) ²
d.( a+b)5 s.(x+y )4
5.The factoris of ( factor dari )
a.3x – 15 p.4x + 20
b.x² + 7x – 30 q.x ²– 12x + 35
c.3x² – 10x + 8 r.4x² + 13 x + 3
d. 4x² - 25 s.9x² - 4
6.Simplify of algebraic fraction bellow ( sederhanakan pecahan aljabar berikut)
a. x ² - 1 p. x² - 5 x + 6
x² + 8x + 7 x² - 4
b. x + 1 + x -2 q. x + 2 + x - 1
3 4 3 2
c. m ² - 25 X m -2 r. 2 x X x ²– 8x - 12
m² + 10m – 24 m + 5 x ² – 36 x