if the difference of the roots of quadratic equation is 5 and difference of their cube is 215 what is the quadratic equation please ans fast
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let roots be x and x+5
so
(x+5)^3 - x^3 =215
x^3 + 125 +15x(x+5) - x^3 =215
125+ 15x^2 + 125x = 215
15x^2 +125x =90
15(x^2 + 5x) = 90
x^2 + 5x = 6
so
(x+5)^3 - x^3 =215
x^3 + 125 +15x(x+5) - x^3 =215
125+ 15x^2 + 125x = 215
15x^2 +125x =90
15(x^2 + 5x) = 90
x^2 + 5x = 6
Anji210:
hope you got it
yes thank you and how do i make it the brainliest ans can you tell
sorry i am new in brainly so i don't know much about it
ok
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