Math, asked by rechalsalve81, 1 month ago

16x2-20x+9 = 4x-5
8x2+12x+21 2x+3

Answers

Answered by abhijithajare1234

3

Answer:

21=4x-5 ...i

49=2x+3 ....ii

=I+ii

70=6x+2

therefore x=6+2÷70

70÷8

answer is 8.75

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