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$(a-2 b+7 c)^{2}$
$a^{2}+4 b^{2}+49 c^{2}-4 a b-28 b c+14 c a$
$(2 x-3)(2 x+5)$
With the help of the remainder theorem, find the remainder when the polynomial $x^{3}+x^{2}-26 x+24$ is divided by each of the following divisors
$x+4$
$(3 a-4)^{2}$
Factorise
$4 x^{2}+9 y^{2}+49 z^{2}-12 x y+42 y z-28 z x$
Classify the following as a constant, linear,quadratic and cubic polynomials:
$3 x^{3}$
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