expand (2x+3)(5x-2)-2(5x-3)(x+1)
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(2x+3) (5x-2) - 2(5x-3) (x+1)
= { 2x( 5x-2 ) + 3( 5x-2 ) } - 2{ 5x(x+1) -3(x+1) }
= ( 10x^2 - 4x + 15x - 5 ) - 2( 5x^2 + 5x - 3x -3 )
= 10x^2 + 11x - 5 - 10x^2 - 10x + 7x + 6
= 8x + 1
I hope it helps
Answered by
2
Answer is
8x + 1
............
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