$$21a^{3}b^{2}-14a^{4}b-7a^{3}b^{2}$$
$14b\left(b-a\right)a^{3}$
$$7\left(3a^{3}b^{2}-2a^{4}b-a^{3}b^{2}\right)$$
$$a^{3}b\left(3b-2a-b\right)$$
$$-2a+2b$$
$$2\left(-a+b\right)$$
$$14a^{3}b\left(-a+b\right)$$
$$14b\left(-a+b\right)a^{3}$$
Show Solution
Hide Solution
