Please bantu no 1 s/d 4 please donggg

1) 4x + 5 + 2x – 5 = 6x

2) p² + 3p – (7p – 2p²)

= 3p² – 4p

= p(3p – 4)

3) (4x²y^5 : xy³)x²y

= 4x^(2-1+2) y^(5-3+1)

= 4x³y³

4)
a) (3a + 2b)(3a – 2b)

= (3a)² – (2b)²

= 9a² – 4b²

b) (6a + 4)(a + 2)

= 6a(a + 2) + 4(a + 2)

= 6a² + 12a + 4a + 8

= 6a² + 16a + 8

1)4x + 5 + 2x – 5. = 4x + 2x + 5 – 5. = 6x. 
2)(p² + 3p) – (7p – 2p²) = p² + 2p² + 3p – 7p = 3p² – 4p = p(3p – 4) 
3)
a. (3a+2b)(3a-2b) = 9a²-6ab +6ab-4b² = 9a²-4b² b. (6a+4)(a+2) = 6a²+12a+ 4a+8 = 6a²+16a+8