Question

Find the roots of the quadratic equations x2-7x+12=0 by using formula.
do with photo copy.
assignment work I could not find it​

Answer 1

Answer:

Solution:

a=1,b=+7,c=+12

x=

2a

−b±

b

2

−4ac

x=

2×1

−(+7)±

7

2

−4×1×12

x=

2

−7±

49−48

x=

2

−7±1

x=

2

−7+1

or x=

2

−7−1

x=−3 or x=−4

Answer 2

Answer:

x:= 4 and 3

Step-by-step explanation:

(x-4). (x-3)