Question

What is the negative solution to this equation? 4x^2+12x=135​

Answer 1

`-(15)/(2)`

Explanation:

`\mathrm{Subtract\:}135\mathrm{\:from\:both\:sides}`

`4x^2+12x-135=135-135`

`\mathrm{Simplify}`

`4x^2+12x-135=0`

`x1, 2=−b±√b2−4ac2a For a=4, b=12, c=−135x1, 2=−12±√122−4· 4(−135)2· 4`