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Can you find the value of B from the below Mathematical equation?

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posted Jul 12, 2017 by Mohammed S

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2 Answers

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28 x 23 = 644 , so B = 2.

answer Jul 12, 2017 by Tejas Naik
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(10*B+8)*(10*B+3)=644=>100*(B^2)+110*B-620=0
=>10B^2+11B-62=0, A quadratic equation,=> two solutions, one real=>B=2, Another imaginary.

answer Jul 13, 2017 by Deepak Mishra



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