Question

Use formula (X+a) (x +b)=x²+(a+b) x a×b.
(2x + 3) (2x+4)​

Answer 1

Answer:

Step-by-step explanation:

(x+1)  2 =2(x−3)  x  2  +2x+1=2x−6 x  2  +7=0   → Quadratic