Answer :
The value of abc is 35 * 1 * -6 = -210, which is option A.
What are the coefficients?
Coefficients are the whole number. that's a fraction of the coefficients that would be the numbers in front of the variable. Variables are the letters in the equation.
Expanding the left side of the equation:
(7x + 3y)(5x - 2y) = 35x^2 - 14xy + 15xy - 6y^2 = 35x^2 + xy - 6y^2
Comparing the expanded form with the right side of the equation:
35x^2 + xy - 6y^2 = ax^2 + bxy + cy^2
Comparing coefficients, we have:
a = 35, b = 1, c = -6
Therefore, the value of abc is 35 * 1 * -6 = -210, which is option A.
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