(x+3)(2x-1)-(3x+2)(5x-1)
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(x+3)(2x-1)-(3x+2)(5x-1)
=2x²-x+6x-3-(15x²-3x+10x-2)
=2x²-x+6x-3-15x²+3x-10x+2
=-13x²-2x-1
=13x²+2x+1
By using quadratic formula
x= (-2±4√3i)÷26
note: i is come in 11 class if u r not in 11 class so don't waste your time in this question
=2x²-x+6x-3-(15x²-3x+10x-2)
=2x²-x+6x-3-15x²+3x-10x+2
=-13x²-2x-1
=13x²+2x+1
By using quadratic formula
x= (-2±4√3i)÷26
note: i is come in 11 class if u r not in 11 class so don't waste your time in this question
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