Solve Each Quadratic Equation By Factoring, 1. (2x+1)(X-4)=0, 2. X\Xb2+5x+4=0, 3. X\Xb2=11x-28, 4. X\Xb2-15x=-56, 5. X\Xb2-9x+20=0

Solve each quadratic equation by factoring

1. (2x+1)(x-4)=0
2. x²+5x+4=0
3. X²=11x-28
4. X²-15x=-56
5. X²-9x+20=0

 

Step-by-step explanation:

1)x=-1/2 ,4

2)x=-1,-4

3)x=7,4

4)x=8,7

5)x=5,4