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Mathematics 19 Online
OpenStudy (anonymous):

whats this factor (a+3)^3-4

jhonyy9 (jhonyy9):

like exponent is 3-4 or -4 is like second term after parenthes

jhonyy9 (jhonyy9):

???

OpenStudy (anonymous):

its (a+3)^3 -4 the exponent is 3 and then its minus 4 to that equation

jhonyy9 (jhonyy9):

so than you know formula (a+b) cubed equal (a+b)(a2 -ab +b2)

jhonyy9 (jhonyy9):

yes ?

OpenStudy (anonymous):

yes, i did it i just want to check my answer is all

jhonyy9 (jhonyy9):

now all is right ???

OpenStudy (anonymous):

wells the final answer a^3+9a^2+27a+23??

jhonyy9 (jhonyy9):

why ?

jhonyy9 (jhonyy9):

(a+3)(a2 -3a +9)-4

jhonyy9 (jhonyy9):

a3 -3a2 +9a +3a2 -9a +27 -4 = a3 +23

jhonyy9 (jhonyy9):

ok ?

OpenStudy (anonymous):

yes sir

jhonyy9 (jhonyy9):

so than please push the good answer button thank you

jhonyy9 (jhonyy9):

good luck bye

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