Expand
$(2 x+5 y)^{2}$
$=(2 x)^{2}+2(2 x)(5 y)+(5 y)^{2}$
$=4 x^{2}+20 x y+25 y^{2}$
Factorise the following quadratic polynomials by splitting the middle term
$15 x^{2}+7 x-2$
Factorise
$16 x^{2}-40 x y+25 y^{2}$
Factorise the following:
$8 p^{3}+\frac{12}{5} p^{2}+\frac{6}{25} p+\frac{1}{125}$
Classify the following as a constant, linear,quadratic and cubic polynomials:
$3$
Evaluate
$205 \times 195$
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