Find the discriminant and the number of real roots for this equation.
4x2 + 12x+ 9 = 0
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a. 0; one real root
b. -144; one real root
c. -144; no real roots
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d. 0; two real roots

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^

(0.2)+(-8)=0.3+-3+0.3m is the equation i guess? ?

step-by-step explanation:

it is 10.6 according to my calculations