Answer:
my observation is that when you multiplied (x+3) (x²-3x+9) the answer is x³+27 :)
Step-by-step explanation:
*get the cube root of each cube term
*taking the operation between the cubes use that you brought in step 1 to obtain a binomial factor
*from the trinomial factors as follows:
a. square the first cube root
b. multiply the two cube roots the sign of the product is the opposite sign between the cubes.
c. square the second cube root
3✓x³ = X
3✓27 = 3
(x + 3) {(x)² - (3x) + (3)²}
(x + 3) ( x² - 3x + 9)
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Answers & Comments
Answer:
my observation is that when you multiplied (x+3) (x²-3x+9) the answer is x³+27 :)
Step-by-step explanation:
*get the cube root of each cube term
*taking the operation between the cubes use that you brought in step 1 to obtain a binomial factor
*from the trinomial factors as follows:
a. square the first cube root
b. multiply the two cube roots the sign of the product is the opposite sign between the cubes.
c. square the second cube root
3✓x³ = X
3✓27 = 3
(x + 3) {(x)² - (3x) + (3)²}
(x + 3) ( x² - 3x + 9)
Step-by-step explanation: