Question

Choose the correct simplification of the expression (5x4y2z2)(3x4y3z5).

Answer 1

 15x^8y^5z^7  

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Answer 2

Answer:

$(15)(x^{8})(y^{5})(z^{7})$

Step-by-step explanation:

we have

$(5x^{4}y^{2}z^{2})(3x^{4}y^{3}z^{5})$

Group terms that contain the same variable

$(5x^{4}y^{2}z^{2})(3x^{4}y^{3}z^{5})=(5*3)(x^{4}x^{4})(y^{2}y^{3})(z^{2}z^{5})$

$=(15)(x^{4+4})(y^{2+3})(z^{2+5})$

$=(15)(x^{8})(y^{5})(z^{7})$