Find the square of 5x +6
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Answer :
= (5x+6)²
Fórmula = (a+b)²=a²+b²+2ab
Here, a = 5x and b = 6
= (5x)²+(6)²+(2×5x×6)
= 25x²+36+60x (arrange in order of degree)
= 25x²+60x+36
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