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Answers
Answered by
1
Answer: Value of x = 5
Step-by-step explanation:
Take X = 5 and put into the equation:
25 * 9 = 225
Equation Satisfied
Answered by
2
Answer:
5
Step-by-step explanation:
5^x-3×3^2x-8=225
225=3×75
=3×3×25
=3×3×5×5
5^x-3×3^2x-8=5^2×3^2
compare both
5^x-3=5^2. | 3^2x-8=3^2
Bases are equal so exponent must be equal
x-3=2. | 2x-8=2
x=5. | 2x=10,x=5
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