Question

Sea el polinomio :P(x)=(ax + b) (x+2)- 3(x² - c )
Si: P(x)=0
HALLAR: a + b + c ​

Answer 1

Vamos a simplificar paso a paso.

(ax+b)(x+2)−3(x2−c)

Distribute:

=(ax)(x)+(ax)(2)+(b)(x)+(b)(2)+(−3)(x2)+(−3)(−c)

=ax2+2ax+bx+2b+−3x2+3c

Solución:

=ax2+2ax+bx−3x2+2b+3c

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