Find the value of the polynomial $5x -4x^2+ 3$ at $x = 2$.
$3$
$2$
$-3$
$-2$
$p(x)=5 x-4 x^{2}+3$
$p(2)=5(2)-4(2)^{2}+3$
$=10-16+3=-3$
Factorise : $8 a^{3}+b^{3}+12 a^{2} b+6 a b^{2}$
Evaluate $105 \times 106$ without multiplying directly.
Factorise the following using appropriate identities :$x^{2}-\frac{y^{2}}{100}$
Evaluate the following products without multiplying directly : $104 \times 96$
Write the following cubes in expanded form : $\left[\frac{3}{2} x+1\right]^{3}$
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