math,correction & help
posted by jasmine20
is problem number 1 correct
Problem #1
factor completely. x^4 + x^3 12
MY answer: (x^23)(x^2+4) or is this still factorable.
Problem #2
i need someone to help me set it up for me to solve.
If the sides of a square are decreased by 3cm, the area is decreased by 81 cm^2.What were the dimensions of the original square?
No, you do not have it factored. How did the x cubed term get there? If the x^3 term should be x^2, then it is correct.
(x3)^2=x^281
solve for x.
sorry typo it should read as
x^4+x^212
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