Question

(5x - y + z) (5x - y + z) =​

Answer 1

Step-by-step explanation:

(5x - y+z)(5x - y+z)

(5x-y+z)²=(5x)²+(-y)²+(z)²+2[(5x)(-y) + (-y×z)+(z×5x)]

=25x²+y²+z²+2(-5xy-yz+5xz)

Answer 2

HEYA MATE HERE'S YOUR ANSWER⬇️

We know (5x−y+z)(5x−y+z) =(5x−y+z)²

Using identity (x+y+z)² = x²+y²+z²+2xy+2yz+2xz

Here, x = 5x , y = −y and z = z

(5x−y+z)² = (5x)²+(−y)²+(z)²+2(5x)(−y)+2(-y)(z)+2(z)(5x)

=> 25x²+y²+z²-10xy−2yz+10xz.

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