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

Question

asked Dec 22, 2022 162k views

2 Answers

Kick · Answer 1 · 2022-12-24T03:41:43+0000

$\huge{\boxed{\boxed { ⎆ Answer :- }}} \$

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

Use, the algebraic identity ↦

$(a + b)(a - b) = {a}^(2) - {b}^(2)$

So,

$(x + a)(x - a) = {x}^(2) - 25 \\ \\ ⟹ √(25) = 5$

↦So, the value of a is 5.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐