Seudónimo Seudónimo
  • 06-07-2021
  • Mathematics
contestada

(x+a)(x-a) = x² -25 then what is the value of a ?​

Respuesta :

yshlok380
yshlok380 yshlok380
  • 06-07-2021

Answer:

The value of A is 5

......

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blackshades
blackshades blackshades
  • 06-07-2021

[tex]\huge{\boxed{\boxed { ⎆ Answer :- }}} \ [/tex]

[tex](x + a)(x - a) = {x}^{2} - 25[/tex]

Use, the algebraic identity ↦

[tex](a + b)(a - b) = {a}^{2} - {b}^{2} [/tex]

So,

[tex](x + a)(x - a) = {x}^{2} - 25 \\ \\ ⟹ \sqrt{25} = 5[/tex]

↦So, the value of a is 5.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐

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