i cannot understand these questions, please explain
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your image is blur.................
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q(1) expand (5-x)^2 using the identity (a-b)^2=a²-2ab+b²
you get it as 25-10x+x^2
the number which is next to the variable is the coefficient
in this case coefficient of x^2 is 1.
q(2) in both subdivisions (a) and (b) you have to substitute value of x in the
respective polynomials and then you get the value of them.
q(3) same as above question
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