<u>7x + 3 = 9x - 7</u>
Subtract 7x from each side: + 3 = 2x - 7
Add 7 to each side: 10 = 2x
Divide each side by 2 : <em>5 = x </em>
Answer:
(
x
−
6
)
(
x
−
4
)
Step-by-step explanation:
In this technique, if we have to factorise an expression like a
x
2
+
b
x
+
c
, we need to think of 2 numbers
