X(2x+5)-3x(4-x)= tolong dijawab Yaaa...

x(2x+5)-3x(4-x)
(x.2x) + (x.5)  (-3x.4) (-3x.-x)
2x²+5x-12x+3x²
2x²+3x²+5x-12x
= 5x²-7x

mudah mudahan bener

x(2x+5)-3x(4-x)
2x + 5x - 12x + 3x
= -2x

Maaf klo slah