Question

how to solve V square + 4 root 3 - 15​

Answer 1

Answer:

Step-by-step explanation:

V^2 +4√3-15

Sum (b) =4√3

Product= -15

Therefore -√3×5√3= -15

Therefore the number is √3 and 5√3

So v^2+4√3-15 become

V^2-√3v+5√3v-15

Taking common factor we have

V(v-√3)+5√3(v-√3)

(V-√3) and (v+5√3)

Therefore v= √3 and -5√3