If the polynomial ax2 + bx +c is equal to (2x+3)(5x-6) then find a and b
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ax^2 + bc + c = (2x+3)(5x-6) = 2x×5x -12x +15x -3×6
=10x^2 +3x-18
comparing coefficients
a = 10, b= 3, c = - 18
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