Binomials
Subtract the polynomials: (-7x^2y + xy + 3x + 2) - (5x^2y - 5xy - 6x - 7)
What is - 12x^2y + 6 xy + 9x + 9
What is the perimeter of a square with a side of 3x^3+2x^2-x?
12x^3+8x^2-4x
a+4(6a+2b^2)+(a^2-6b^2)
What is a^2+25a+2b^2
In the formula A = P(1+r)^t, P is the principal, r is the annual rate of interest, and A is the amount after t years. An account earning interest at a rate of 4% has a principal of $2,000. If no more deposits or withdrawals are made, about how much money will be in the account after three years? You can use a calculator.
What is $2249.73?