Math, asked by avinashpasrija, 6 months ago

(C) If (3x-4) (5x+7)= 15x²- kx-28, then the value of k is
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Answers

Answered by ritaarjun335

0

Step-by-step explanation:

(3x-4)(5x+7)=15x²-1x-28

so,x=-1

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