Simplify(x2 - 4) + (x2 + 4) + 16

The given expression is(x2 - 4) + (x2 + 4) + 16= 2x2 + 16Therefore, (x2 - 4) + (x2 + 4) + 16 = 2x2 + 16

Q84 of 128 Page 224

Simplify
(x² - 4) + (x² + 4) + 16

The given expression is

(x² - 4) + (x² + 4) + 16

= 2x² + 16

Therefore, (x² - 4) + (x² + 4) + 16 = 2x² + 16

Simplify

(1.5p + 1.2q)² – (1.5p - 1.2q)²

Simplify

(2.5m + 1.5q)² + (2.5m - 1.5q)²

Simplify

(ab - c)² + 2abc

Simplify

(a - b) (a² + b² + ab) -(a + b) (a² + b² - ab)