x^4+11x^2+30 please answer me
Answers
Answered by
2
Step-by-step explanation:
x⁴+11x²+30
let, x²=y
then the equation is
y²+11y+30
y²+5y+6y+30
y(y+5)+6(y+5)
(y+5)(y+6)
y=-5 or y=-6
x²=-5 =x²=-6
x=√-5.=x=√-6
Similar questions