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$(2 a+3 b)(2 a-5 b)$

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$4 a^{2}-4 a b-15 b^{2}$

Similar Questions

If $p(3)=0$ for polynomial $p(x),$ state one factor of $p(x)$

Factorise

$49 x^{2}-35 x+6$

By using the factor theorem, show that $(x-3)$ is a factor of the polynomial $12 x^{3}-31 x^{2}-18 x+9$ and then factorise $12 x^{3}-31 x^{2}-18 x+9$

What should be subtracted from $p(x)=x^{2}+9 x+20,$ so that the resulting polynomial is divisible by $x+2 ?$

Factorise

$x^{3}+2 x^{2}-13 x+10$