Question

quadratic equation chapter ​

Answer 1

Answer:

multyipying both

Step-by-step explanation:

firstly multiplying x

$x + 3 \times 2x - 3.x + 3 \times 3x - 7$

Answer 2

Answer:

use the formula to get little bit easy (ax^2-bx^2=c; ax^2+bx^2=c)

hope it's helpful