find the discriminant 2x+10x+21=0
kkkkkkkk72:
answer is 4
How the equation is wrong
he asked the discriminant so the formula is b*b-4ac
sorry it is -68
I know but where is x^2
The equation must be of the form x^2+x+1
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10
in 2x+10x+21
a is 2, b is 10, c is 21
so discriminant is
so the discriminant is -68
a is 2, b is 10, c is 21
so discriminant is
so the discriminant is -68
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