Question

(x+4)(x-7)=30
solve equations​

Answer 1

Answer:

x(x-7)+4(x-7)=30

x²-7x+4x-28=30

x²-3x=30+28

x²-3x=58

x²-3x-58=0.

Please follow me

Answer 2

(x+4)(x-7)=30

x(x-7)+4(x-7)=30

x2-7x+4x-28=30

x2-3x=30+28

x2-x=58÷3

x2-x=19.3

x=root38.6

hence proved

hope it is helpful

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