<em>The value of b is 14 and the value of c is 65</em>
<h2>
Explanation:</h2>
The quadratic function is a function of the form:

Here we know that the leading coefficient
so we reduce our equation to:

The roots are those values at which 
So:


So we have:

Finding c from (1):

<h2>Learn more:</h2>
Complex conjugate: brainly.com/question/2137496
#LearnWithBrainly
Answer:
60 is the area
Step-by-step explanation:
you just mult 12x5
Answer:
=561.2 square feet
Step-by-step explanation:
top rectangle=19×8=152
bottom rectangle=5×8=40
two slanting rectangles=8×14×2=224
two side trapezium=(19+5)÷2=12
1/2×12×12.1×2=145.2
add them all
152+40+224+145.2=561.2
Is that the whole question because you cant really solve this without all the details.<span />