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BARSIC [14]
3 years ago
15

Perform the indicated operation. (w 3 + 64) ÷ (4 + w)

Mathematics
2 answers:
Aloiza [94]3 years ago
5 0

Answer:

The expression \frac{\left(w^3+64\right)}{w+4} becomes w^2-4w+16

Step-by-step explanation:

Given : Expression \frac{\left(w^3+64\right)}{w+4}

We have to find the simplified value of given expression.

Consider the given expression  \frac{\left(w^3+64\right)}{w+4}

Rewrite 64 as 4^3

=w^3+4^3

\mathrm{Apply\:Sum\:of\:Cubes\:Formula:\:}x^3+y^3=\left(x+y\right)\left(x^2-xy+y^2\right)

w^3+4^3=\left(w+4\right)\left(w^2-4w+4^2\right)

Simplify,

=\left(w+4\right)\left(w^2-4w+4^2\right)

Given expression becomes,

=\frac{\left(w+4\right)\left(w^2-4w+16\right)}{w+4}

Cancel common factors, we have,

=w^2-4w+16

Thus, The expression \frac{\left(w^3+64\right)}{w+4} becomes w^2-4w+16

pantera1 [17]3 years ago
4 0
W³ + 64 = w³ + 4³ = (w+4)³ - 3*w*4(w+4) = (w+4)[(w+4)² - 12w]

(w³ + 64) ÷ (w+4)
=(w+4)[(w+4)² - 12w] ÷ (w+4)
= (w+4)² - 12w
= w² -4w + 16
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