Answer :
Answer
[tex]x^{2}+8x+15=0[/tex]Explanation
Given
[tex]\left(x+3\right)\left(x+5\right)=0[/tex]To find an equivalent equation, we have to use the distributive property of the multiplication, in which every single variable/number is multiplied:
[tex](x\cdot x+5\cdot x+3\cdot x+3\cdot5)=0[/tex]Simplifying:
[tex]x^2+8x+15=0[/tex]