Math, asked by hemant1234, 1 year ago

solve for x : root2x+9+( x)=13

adityahansda1: What is this in question (x)

Answers

Answered by preeta5655

this may be the answer

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Strangercitizen1525: i'm just saying

hemant1234: ok

preeta5655: see bro I know it. and I am not interested in chatting. so thanks for the information.. and you may go from here because you need to study

hemant1234: but why

hemant1234: ok bye bye

preeta5655: parai Karo Jake ek reply kya de dia samaj liya ki chat karungi

hemant1234: phir kar na photo dal profile me☺

preeta5655: kyu ? kaam nahi hai kya tuje

hemant1234: nahi he

Answered by Strangercitizen1525

Answer

⇒ $\sqrt{2x + 9}$ + x = 13

⇒ $\sqrt{2x +9}$ = 13 - x

on squaring both sides we get,

⇒( $\sqrt{2x+9}$ )² = (13 - x)²

⇒2x + 9 = x² + 169 - 26x

⇒x² - 28x + 169- 9 = 0

⇒x² - 20x - 8x +160 = 0

⇒x(x - 20) - 8(x - 20) = 0

⇒(x-20)(x-8)=0

⇒x-20=0 or x-8=0

⇒x = 20 or x = 8

hope it helps

Strangercitizen1525: mark as brainiest pls

hemant1234: how i mark it

hemant1234: i mark it happy

Strangercitizen1525: thanks so much

hemant1234: there is 169 not 160

Strangercitizen1525: its corrected

hemant1234: how

Strangercitizen1525: check carefully

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