Question

tap hop cac gia tri nguyen x thoa man x²-3²=4²

Answer 1

x² - 3² = 4²

=> x² - 9 = 16

=> x² = 16 + 9

=> x² = 25

=> x² = 5² = (-5)²

Vậy \(x\in\left\{-5;5\right\}\).

Answer 2

x thuoc {-5 ; 5 } ban nha

Answer 3

x² - 3² = 4²

=> x² - 9 = 16

=> x² = 16 + 9

=> x² = 25

=> x² = 5² = (-5)²

Vậy $x\in\left\{-5;5\right\}$x∈{−5;5}‍.

Answer 4

x²-3²=4²

=>x²-9=16

=>x²=16+9

=>x²=25

=>x=5²=(-5)²

Vậy x\(\in\){-5,5} thỏa mãn