2. Two newspapers, Graphic and Times are delivered to 40 houses in A dentan. Each
house receives at least one copy of
newspaper. In all 26 copies of Graphi
and 24 copies of Times are delivered
Find the number of houses which recei
Times only.​

x= -3 and

step-by-step explanation:

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.

x-3=0

x=3

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.

21/58.

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