3 years ago

Use the quadratic formula to solve the equation X^2+9X+20=0

Mathematics

2 answers:

lions [1.4K]3 years ago

6 0

Answer:

x=-4

x=-5

Step-by-step explanation:

Stells [14]3 years ago

3 0

Answer:

-4 or -5

Step-by-step explanation:

Well, you have to first understand variables a, b, and c. A in this equation is 1, b is 9, and c is 20. Then you plug those into -b ± sqrt (b^2-4ac)/2a and find that the discriminant, or what is under the square root, is one. Your two roots will be -4 and -5.

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