Question

show the X=-2 is a solution of the equation 3x^2+13+14=0​

Answer 1

Answer:

3.-2²+27=0

3.4+27

12+24

36≠0

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

Let f(x)=3x^2+13x+14

when x= -2,

the equation becomes

=>3*(-2)^2+13*(-2)+14

=>3*4-26+14

=>12-26+14

=>26-26(BODMAS)

=0

Hence, x=-2 is a solution of the equation 3x^2+13x+14=0