3 years ago

Which expression is equivalent to x + x - 0.18x

Mathematics

1 answer:

yarga [219]3 years ago

8 0

Answer: It is C

Step-by-step explanation:

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Liono4ka [1.6K]

Discriminant for the quadratic equation $2x^2+x-3=0$ is $d=25$

How to find the d Discriminant of the quadratic equation ?

We know that the standard quadratic equation

$ax^2+bx+c=0$

Discriminant of the equation is $d=b^2-4ac$

Equation given in the question is

$2x^2+x-3=0$

So we can find the values of $a,b,c$

$a=2\\b=1\\c=-3$

Substitute the values

$d=1^2-4*2*(-3)\\d=1+24\\d=25$

Learn more about the discriminant of the quadratic equation here:

brainly.com/question/28048709

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