isoke is solving the quadratic equation by completing the square. 10x²+40x - 13 = 0 10x²+40x = 13…

isoke is solving the quadratic equation by completing the square. 10x²+40x - 13 = 0 10x²+40x = 13 a(x²+4x)=13 what is the value of a? -13 4 10 40
Answer
Explanation:
Step1: Factor out the coefficient of $x^{2}$
We start with the equation $10x^{2}+40x = 13$. We can factor out 10 from the left - hand side terms $10x^{2}+40x$. Since $10x^{2}+40x=10(x^{2}+4x)$, comparing it with $A(x^{2}+4x)=13$, we can see that $A = 10$.
Answer:
10