1. Quadratic Equations: Solve when factorised
Silent
Teacher
Intelligent Practice
Narration
Your Turn
(𝑥−6)(𝑥−3)=
(𝑥−6)(𝑥−2)=
(2𝑥−6)(𝑥−2)=
Example
For more videos visit mrbartonmaths.com/videos

2. Worked Example
Your Turn
(𝑥+3)(𝑥−4)=0
(𝑥−3)(𝑥+4)=0
@mrbartonmaths

3. (𝑥+6)(𝑥+3)=0 (2𝑥+6)(𝑥−2)=0 (𝑥+3)(𝑥+6)=0 (𝑥+6)(2𝑥−2)=0 (𝑥−3)(𝑥+6)=0
(𝑥+6)(2𝑥−3)=0
(𝑥−6)(𝑥+3)=0
(𝑥+6)(2𝑥−5)=0
𝑥−6 𝑥−3 =0
𝑥+6 5𝑥−2 =0
(𝑥−6)(𝑥−2)=0
(7𝑥+6)(5𝑥−2)=0
2𝑥−6 𝑥−2 =0
7𝑥−6 5𝑥+2 =0
@mrbartonmaths

4. (𝑥+6)(𝑥+3)=0 (2𝑥+6)(𝑥−2)=0 (𝑥+3)(𝑥+6)=0 (𝑥+6)(2𝑥−2)=0 (𝑥−3)(𝑥+6)=0
𝑥=− 𝑥=−3
𝑥=− 𝑥=2
(𝑥+3)(𝑥+6)=0
(𝑥+6)(2𝑥−2)=0
𝑥=− 𝑥=−6
𝑥=− 𝑥=1
(𝑥−3)(𝑥+6)=0
(𝑥+6)(2𝑥−3)=0
𝑥= 𝑥=−6
𝑥=− 𝑥=1.5
(𝑥−6)(𝑥+3)=0
(𝑥+6)(2𝑥−5)=0
𝑥= 𝑥=−3
𝑥=− 𝑥=2.5
𝑥−6 𝑥−3 =0
𝑥+6 5𝑥−2 =0
𝑥= 𝑥=3
𝑥=− 𝑥= 2 5
(𝑥−6)(𝑥−2)=0
(7𝑥+6)(5𝑥−2)=0
𝑥=− 𝑥= 2 5
𝑥= 𝑥=2
2𝑥−6 𝑥−2 =0
7𝑥−6 5𝑥+2 =0
𝑥= 𝑥=2
𝑥= 𝑥=− 2 5
@mrbartonmaths