Question

1. $3a^{3}b^{2}-5a^{3}b^{2}$

Explanation:

Step1: Factor out common term

$3a^3b^2 - 5a^3b^2 = a^3b^2(3 - 5)$

Step2: Subtract the coefficients

$a^3b^2(3 - 5) = a^3b^2(-2)$

Step3: Rearrange the expression

$a^3b^2(-2) = -2a^3b^2$

Answer:

$-2a^3b^2$