Question

obtain a quadratic equation whose roots
-3 and -7
​

Answer 1

Answer:

Hence, x2−8x+15=0 is the quadratic equation whose roots are 3 and 5.

Answer 2

Explanation:

Root a=-3 beta =-7

x2(a-+beta ) +a beta =0

x2-(-3+(-7)) x+ (-3)(-7)=0

x2+10 x +21 =0