Question

if 2x+3y=10 and xy=5. find the value of 4x^2+9y^2​

Answer 1

Answer:

this is the answer

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$2x + 3y = 10 \\ = > {(2x + 3y)}^{2} = {10}^{2} \\ = > 4 {x}^{2} + 9 {y}^{2} + 6xy = 100 \\ = > 4 {x}^{2} + 9 {y}^{2} + 6(5) = 100 \\ = > 4 {x}^{2} + 9 {y}^{2} + 30 = 100 \\ = > 4 {x}^{2} + 9 {y}^{2} = 70$

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