Question

Find the zeros of the polynomial 49x²- 64​

Answer 1

Answer:

u can do this by applying formula zero of formula

Answer 2

Answer:

± 8/7

Step-by-step explanation:

49x² - 64 = (7x)² - 8² = (7x - 8)(7x - 8)

1). 7x - 8 = 0 ⇒ 7x = 8 ⇒ x = 8/7

2). 7x + 8 = 0 ⇒ 7x = - 8 ⇒ x = - 8/7

$x_{12}$ = ± $\frac{8}{7}$