(71+29) * 26
(100) * 26
First, following the order of operations, you have to do what is in the parentheses.
The sum of those numbers would be 100
Finally, you multiply 100 with 26
Which is 2600.
x= -3 and
to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into
where a is the cube root of .
here this is 27 and the cube root of 27 is 3. so we write using the form:
set each factor to 0 and solve for x.
the quadratic expression does not factor and must be solved using the quadratic formula.
where a = 1, b=3, and c=9
this cubic has two complex roots.
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