Question

SPLITTING THE MIDDLE TERM:
X^2-9=0

Answer 1

Answer:

• x²-9=0
• x²-3²=0
• (x+3)(x-3)=0[As we know that,a²-b²=(a+b)(a-b)]

then,x=-3 or,x=3

Answer 2

Answer:

(x+3)(x-3)

Step-by-step explanation:

x²-9=0

(x)²-(3)² applying identity 3 (a²-b²)= (a+b)(a-b)

(x+3)(x-3)