Tìm x , biết. (2x+4)^4 =(2x+1)^6
Giải thích
2x+14=2x+16⇒2x+14−2x+16=0⇒2x+141−2x−12=0⇒2x+14=01−2x+12=0
⇒2x+1=02x+1=12x+1=−1⇒x=−0,5x=0x=−1
Vậy x=−0,5;x=0;x=−1.
2x+14=2x+16⇒2x+14−2x+16=0⇒2x+141−2x−12=0⇒2x+14=01−2x+12=0
⇒2x+1=02x+1=12x+1=−1⇒x=−0,5x=0x=−1
Vậy x=−0,5;x=0;x=−1.