Question

X^3+3x^5=x5 what's the missing expression

Answer 1

c is not right ;-;...............

Answer 2

x3+3x5=x53x5+x3=x5Subtract x^5 from both sides.3x5+x3−x5=x5−x52x5+x3=0Factor left side of equation.x3(2x2+1)=0Set factors equal to 0.x3=0‌‌ or ‌‌2x2+1=0x=0