Question

find the coefficient of x² in the following:

1. (3x²-2x-4) (x²-3x-2)​

Answer 1

Answer

$\bold{(3x^2-2x-4)(x^2-3x-2)}\\\\\implies \bold{3x^4-9x^3-6x^2-2x^3+6x^2+4x-4x^2+12x+8 }\\\\\implies \bold{3x^4-11x^3-4x^2+16x+8}$

Hence the coefficient of x² is -4

Coefficient :

• A Coefficient is a number used to multiply a variable (4x means 4 times x, so 4 is a coefficient)

Answer 2

Step-by-step explanation:

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