<u>ANSWER</u>
<u>EXPLANATION</u>
A quadratic equation is said to be in standard form when it is in the form
where a, b, c are real numbers.
The given quadratic equation is
When we add 6 to both sides, we obtain,
Or
This is what Alexandra got after he wrote the quadratic equation in standard form.
By comparing this equation to
we have a=1, b=4 and c=5.
Answer:
238
Step-by-step explanation
(10*10)+(10*7)+(4*10)+(4*7)