Question

Diketahui P=2x + 3y dan Q=4x - 2y tentukan
A.p-q
B.2P+3Q
C.P + 2q - 5p
Jawab berserta jalanya

Answer 1

P-q
= (2x+3y)-(4x-2y)
= 2x+3y-4x+8y
= -2x+11y

2p+3q
= 2(2x+3y)+3(4x-2y)
= 4x+6y+12x-6y
= 16x

p+2q-5p
= (2x+3y)+2(4x-2y)-5(2x+3y)
= 2x+3y+8x-4y-10x-15y
= -16y