If r = 6 and s = 3 find the value of 9r²÷25-4s²÷9.
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9×6×6÷25-4×3×3÷9
9×36÷25-4×9÷9
9×1.44-4×0
12.96-0
12.96Ans dood please mark me brainlist...
9×36÷25-4×9÷9
9×1.44-4×0
12.96-0
12.96Ans dood please mark me brainlist...
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