Question

4x2 + 23x + 15 = 0

Answer 1

Use the quadratic formula

Answer 2

\[x = \frac{ -b \pm \sqrt{b^2 - 4ac} }{ 2a }\]

Answer 3

U don't need quadratic formula.

4x2 + 20x + 3x+15 = 0

I hope u can do it from here.

Answer 4

\[4x^2 + 23x + 15 = 0 \]
where:
a = 4
b = 23
c = 15

Answer 5

\[4x2 + 23x + 15 = 0 factor is (4x+3)(x+5)\]