Question

equação exponencial 25⁴+×=125

Answer 1

Oie, Td Bom?!

$25 {}^{4 + x} = 125$

$(5 {}^{2} ) {}^{4 + x} = 5 {}^{3}$

$5 {}^{8 + 2x} = 5 {}^{3}$

• Bases iguais, iguale os expoentes.

$8 + 2x = 3$

$2x = 3 - 8$

$2x = - 5$

$\boxed {x = - \frac{5}{2} }$

Att. Makaveli1996