Answer:
D
Explanation:
Given
2x² + 3x - 7 = x² + 5x + 39
Subtract x² + 5x + 39 from both sides
x² - 2x - 46 = 0 ← in standard form
with a = 1, b = - 2, c = - 46
Solve for x using the quadratic formula
x = (- (- 2) ±
) / 2
= ( 2 ±
) / 2
= ( 2 ±
) / 2
= ( 2 ± 2
) / 2
= 1 ±
![√(47)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ol8es4u72py0szeghg8gmjruix2ujbtd6m.png)