Question

d. Simplify: (x - 5) (x + 5) + 25

please answer this fast

do not give wrong answers i will report

right answers will be marked as brainliest​

Answer 1

Answer:

See the picture above......

Answer 2

$\huge\bold{\gray{\sf{Answer:}}}$

Explanation:

Given :

$(x - 5)(x + 5) + 25$

Here,this identity is used:

$\bold{\boxed{\purple{(x + y)(x - y) = {x}^{2} - {y}^{2}}}}$

$= > (x - 5)(x + 5) + 25$

$= {x}^{2} - {(5)}^{2} + 25$

$= > {x}^{2} - 25 + 25$

$= {x}^{2}$

$\bold\fcolorbox{aqua}{orange}{Answer}$$\bold{ {x}^{2}}$

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Other Related identity

Other Identity related to this :

$\bold{\boxed{ {(x -y)}^{2} = {x}^{2} + {y}^{2} - 2xy}}$

$\bold{\boxed{ {x}^{3} + {y}^{3} = {x}^{3} + {y}^{3} + 3xy(x + y)}}$

$\bold{\boxed{(x + y)(x + z) = {x}^{2} + (y+ z)x + yz}}$

$\bold{\boxed{ {(x +y)}^{3} = {x}^{3} + {y}^{3} +3xy[x+y]}}$