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how is this solved 2x²+5x+7=20​

Sagot :

24mhommeidn

Answer:

you would have to use repletion

Step-by-step explanation:

2x^2+5x+7=20

             -7     -7

2x^2+5x=13

         /5    /5

2x^2+x=2.6

4+2x=2.6

-4      -4

2x=-1.4

/2     /2

x=-0.7

Baenessa24idn
You’d use the quadratic formula:
X= -b +- √b^2-4ac
———————-
2a

And I attached your final answers
View image Baenessa24
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