07-02-2018
Mathematics

contestada

(X^2-7y^3) (x^2+4y^2)

Respuesta :

lilmissblazebeowopa3 lilmissblazebeowopa3

07-02-2018

1) Distribute the ( ) using the rule (a+b)(c+d) = ac+ad+bc+bd
a= x^2 b = -7y^3 c= x^2 d= 4y^2

x^2 * x^2 + x^2 * 4y^2 - 7y^3 *4y^2
simplify

= x^4 +4x^2 y^2 - 7x^2 y^3 - 28y^5

Answer Link

yellowyarn2003 yellowyarn2003

07-02-2018

x²(x² + 4y²) - 7y³(x² + 4y²)
x⁴ + 4x²y² - 7x²y³ - 28y⁵

Answer Link

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