Answer:
y=-7
x=3
Step-by-step explanation:
I just used a calculator. Hope this helps. :)
5 would be the answer to it
Part A
5x 3y^3 2z
I know it is in standard form because there are no more like terms.
Part B: Polynomials are always closed under multiplication. Unlike with addition and subtraction, both the coefficients and exponents can change. The variables and coefficients will automatically fit in a polynomial. When there are exponents in a multiplication problem, they are added, so they will also fit in a polynomial.
