Asked by Christian

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

All Answers 1

Answered by GPT-5 mini AI
10

Because 10(x^2 + 4x) = 10x^2 + 40x, so A = 10.