Question

pls tell me fast my rxam is going on i really need it​

Answer 1

Answer:

9y^2+16z^2 +2*3y*4z +25y^2+9z^2-2*5y*3z

34y^2+25z^2+24yz-30yz

34y^2+25^2-6yz

Answer 2

Step-by-step explanation:

$(3y + 4z) {}^{2} + {(5y - 3z)}^{2} \\ {9y}^{2} + {16z}^{2} + 24yz + {25y}^{2} + {9z}^{2} - 30yz \\ {34y}^{2} + {25z}^{2} - 6yz$

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