9^2y * 2^x = 72
Value of x and y
4 answers
can you not think of two factors of 72 that are powers of 9 and 2?
9^2y * 2^2 = 3^2 * 2^3
9^2y * 2^2 = 9^1 *2^3
y = 1/2
x = 3
9^2(1/2) * 2^3 = 72
9* 8 = 72
72 = 72
y = 1/2
x = 3
9^2(1/2) * 2^3 = 72
9* 8 = 72
72 = 72
3⁴y×2^x=2³×3²
2^x=2³
X=3
3⁴y=3²
y=2-¹
2^x=2³
X=3
3⁴y=3²
y=2-¹