2/4 is equivalent to 1/2.
To solve x^2+2x-15=0, First we will factor the trinomial. So, when it is factored, it will look like this: (x+5)(x-3). We will set both equal to 0. x+5=0 and x-3=0. Solve for x in each equation. x= -5 or 3
The graph of 2n^2 +5n -25 opens up because the coefficient of n^2 is positive.
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The statement 2n^2 +5n -25 = 0 defines two values of n.
Step-by-step explanation:
3 x^2 - 15x - 108 = 0
divided by 3
x^2 - 5x - 36 = 0
factorice
(x= -9)(x= 4)=0
x=9 , x= -4