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a. 4
d. (2
c. (3x)2
a. 10 - 2(x+y)
b. 2(x+y)
В 4. If x=2, what is the value of x2 - x + 47
5. When x=-2, which expression has the value -64?
b. 2x3
fi The expression -9x7y5z2 is a
binomial
a. 3x2
c. trinomial​