Question

(7/4)^-3 × (7/4)^-5 = (7/4)^x-2​

Answer 1

Answer:

-6

Step-by-step explanation:

${ (\frac{7}{4}) }^{ - 3} \times { (\frac{7}{4} )}^{ - 5} = { (\frac{7}{4} )}^{ x- 2} \\ using \: the \: formula \: {a}^{m } \times {a}^{n} = {a}^{m + n } \\ - 3 + - 5 = x - 2 \\ - 8 = x- 2 \\ x = - 6$

Hope it helps you