Question

X square equal to 48 square minus 50 square

Answer 1

$x 2 = 48 ^{2} - 50 {}^{2} \\ x {}^{2} = 48 \times 48 - 50 \times 50 \\x { }^{2} = 2304 - 2500 \\ x {}^{2} = - 196 \\ x = 14$