Which of the following equations has roo...

Which of the following equations has roots 3 and 5,

`x^(2)-15x+8=0`

`x^(2)-8x+15=0`

`x^(2)+3x-5=0`

`x^(2)+8x-15=0`

Verified by Experts

The correct Answer is:

`x^(2)-8x+15=0`

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Which of the following equations has roots-2 and 7?

`x^(2)+5x-14=0`

`x^(2)-5x-14=0`

`x^(2)+5x+14=0`

`x^(2)-5x+14=0`

`x^(3) + x^(2)(a+b+c) + x(ab+bc+ca) + abc = 0`

`x^(3)+x^(2)(a+b+c)+x(ab+bc+ca) - abc = 0`

`x^(3) - x^(2)(a+b+c) + x(ab+bc+ca)-abc = 0`

`x^(3)-x^(2)(a+b+c)-x(ab+bc+ca) - abc = 0`

`3x^(2) +4x+5=0`

`x^(2) +x+4=0`

`(x-1) (2x-5)=0`

`2x^(2) -3x+4=0`