Answer:
x=0
Step-by-step explanation:
Let 5x = y.
(52)x+3(5x)−4=0
y2+3y−4=0
y2−y+4y−4=0
y(y−1)+4(y−1)=0
(y+4)(y−1)=0
y=−4;y=1
y = -4 is not possible.
y = 1 ⟹ x = 0.
0
Explanation:
