Question

Solve the equation by completing the square. (step by step please)

4x(x + 6) = -40​​

Answer 1

4(x+3)²+4

Explanation:

4x²+24x+40=0

using the equation above

a:4 b:24 c:40

4(x+(24÷2x4))² + (40-(24²÷4x4))

4(x+3)²+(40-36)

4(x+3)²+4