Question

(x+7)²=

(3x-2)²=

ayuden plisssssss

Answer 1

Tenemos.

Aplicas Productos Notables.

(a + b)² = a² 6 2ab + b²

(x + 7)² =
x² + 2(x)(7) + 7² =
x² + 14x + 49


Aplicas.
(a - b)² = a² - 2ab + b²

(3x - 2)² =
(3x)² - 2(3x)(2) + 2²
3²x² - 12x + 4 =
9x² - 12x + 4

Answer 2

$(x+7)^{2} = x^{2} +14x +49$

$( 3x-2)^{2} = 9 x^{2} -12x+ 4$