Question

If x square +9y square =9 and x=1, find (2x+6y) whole square​

Answer 1

Answer:

it may help you

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Answer 2

Answer:

ok bro

Step-by-step explanation:

(2x+6y)²

(2×1+6y )²

(2+6y )²

as you told earlier x²+9y=9

so its similar to x²+6y=6

(2+6=8)²

so its will be 8²

means 8²=64

did it helps?