Math, asked by subhashkanaujiya281, 10 months ago

(h) {(3x + 5)+(x+2)}2 + {(3x+5)-(x + 2)2 = 20x2–78

Answers

Answered by suman6jha

3

Answer:

6x+10+2x+4+6x+10-2x-4=20x2-78

12x+20=20x2-78

20x2-98-12x=0

Now this is a simple quadratic equation

Thanks

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