Simplify (3x+7)Ka hole square
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Using (a+b)^2=(a)^2+(b)^2+2ab
where a=3x
b=7
=(3x)^2+(7)^2+2×3x×7
=9x^2+49+42x
KINDLY MARK BRAINLIEST IF WORKED
where a=3x
b=7
=(3x)^2+(7)^2+2×3x×7
=9x^2+49+42x
KINDLY MARK BRAINLIEST IF WORKED
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