Math, asked by Tanushreeverma, 11 months ago

8 x square - 22 x minus 21 = 0

Answers

Answered by devc5622

2

Answer:

8x²-22x-21 = 0

8x²-28x+6x-21 = 0

4x(2x-7)+3(2x-7) = 0

(4x+3)(2x-7) = 0

x = -3/4 , 7/2

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