Question

(3x+7) (-3x+7)
math h.w.
reply fast if u know
don't ask me to call​

Answer 1

Answer:

Step-by-step explanation:

(3x + 7)(-3x + 7)

-9x² + 21x - 21x +49

-9x² + 49

IF WE HAVE TO FIND x,

-9x² + 49 = 0

9x² = 49

x² = 49/9

x = √(49/9)

x = ± 7/3

but why do i ask u for call?

i mean even idk u...