Question

Obtain the quadratic equation if roots are -3 and -7.​

Answer 1

Answer:

x²-4x +21

Step-by-step explanation:

Quadratic equation

= x²-(Sum of zeroes)x + product of zeroes

= x²-(-3-(-7))x + (-3)(-7)

= x²-(-3+7)x +21

= x²-4x +21