Question

Simplify (x^5)(y^7)(x^9)(y^2)

Answer 1

x^14 y^9

Explanation:

Add the exponent of the x's

(x^5) + (x^9) = x^14

Add the exponent of the y's

(y^7) + (y^2) = y^9

You can't combine different varibles so your answer will be x^14 y^9