conniehodson
19.12.2020 •
Mathematics
Need answer quick and simple explanation
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Ответ:
(x^2 + 4x + 4)(x + 2)
x^3 + 4x^2 + 4x + 2x^2 + 8x + 8
Simplify
Solution: x^3 + 6x^2 + 12x + 8
The answer is A
Ответ:
A
Step-by-step explanation:
Given
(x + 2)³
= (x + 2)(x + 2)(x + 2) ← expand second/third factor using FOIL
= (x + 2)(x² + 4x + 4) ← distribute
= x(x² + 4x + 4) + 2(x² + 4x + 4) ← distribute both parenthesis
= x³ + 4x² + 4x + 2x² + 8x + 8 ← collect like terms
= x³ + 6x² + 12x + 8 → A
Ответ:
Yes
Step-by-step explanation:
10,20,30,40,50 are all divisible by 5.