Question

Tolong dijawab ya kawan.

Answer 1

2)a. 2x + 5 + x - 3
= (2x + x)+(5-3)
= 3x + 2
b. a² + a +6 + a² -5a -3
=(a²+a²)+(a-5a)+(6-3)
= 2a² -4a + 3

3.
a. 2p-1 dan 5p+3
:(5p+3) - (2p-1)
: 5p+3-2p+1
:3p+4
b. 2x²-3x dan x²-1
=(x²-1) - (2x²-3x)
=x²-1-2x²+3x
=x²-2x²-1+3x
=x²-1+3x