Answer:
4x+3
How: -2x - (-6x) = 4
3 cannot be added there you go
Answer: x-1/6
Step-by-step explanation:
Step-by-step explanation:
3^(-3) * 10^(-2)
= 1/27 * 1/100
= 1/2700.
Answer:
1680
Step-by-step explanation:
280 x 6 = 1680
X⁴-14x²+45=0
(x²) ²-14x²+45=0
let y=x²
y²-14y+45=0
(y-9) (y-5) =0
y=9 or y=5
x²=9 or x²=5
x=±3 or x=±√5
