Question

(x+3)(x-3)=16
$(x+3)(x-3)=16$
(x+3)(x-3)=16

Answer 1

X square - ( 3) ^2= 16
X square - 9= 16
X square = 16+9
X square = 25
X = 5

Answer 2

(x +3)(x＋3)
X²=16-9=7