2x squared plus negative 5 - 10 equals zero
2x² + (-5) - 10 = =2x² - 5 - 10 = 02x² - 15 = 0 + 15 + 15 2x² = 15 2 2 x² = 7.5 x ≈ 2.74
X² will be 7.5 i think the person who answered it below did a very good job congratulation
