1.

35. One of the factors of x2 + y2 + 2xy - z²+ is(a) (r - y+z)(b) (x + y - z)(c)(-x-y+z) (d) (x + y - z)​

Answer»

ANSWER:

(X + y - Z)

Step-by-step EXPLANATION:

x² + y² + 2XY - z²

= (x + y)² -(z)²

= (x + y + z)(x + y - z)



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