Answer:
im thinking 36 but it might be more
Step-by-step explanation:
if you want to solve it without a graph you're going to need to use the cubic formula, I'm unsure how else to solve it
<u>Answer:</u>
x = 3, x = -3
<u>Step-by-step explanation:</u>
x² - 25 + 16 = 0
⇒ x² - 9 = 0
• Add 9 to both sides:
⇒ x² = 9
• Square root both sides of equation:
x =
x = ± 3
x = 3 and x = -3