(x + 1)(x + ?) = 2x² + 2x tenglik to'g'ri bo'lishi uchun ? ning o'rniga mos qiymatni toping.
-
-x
-
2x
-
x
-
x + 1
📝 Detailed explanation
Tenglikning o'ng qismini ko'paytuvchilarga ajratamiz: 2x² + 2x = 2x(x + 1). Chap qism bilan solishtirsak: (x + 1)(x + ?) = 2x(x + 1) ⇒ x + ? = 2x ⇒ ? = x.
← Previous
→ Next
Space — Show answer
🎯 Take a test on the topic «4 variant | matematika - majburiy fanlar bloki»
This topic contains 10 questions.
Test your knowledge!
🔐 Log in to take the test
📋 Related questions
-
❓ 5x² − 20xy + 4y + 3 ifodaning qiymati x = −1 bo'lganda 10 ga teng bo'ladigan y ni toping?
-
❓ Haftaning dushanba, seshanba, ..., yakshanba kunlari mos ravishda: 24,8%; 24,12%; 25,13%; 25,345%; 25,89%; 25,56%; 25...
-
❓ 2526272829... shu ketma-ketlikning 41-xonasida qaysi raqam qatnashgan?
-
❓ Agar a = √100 va b = √121 ga teng bo'lsa, a + b ning qiymatini toping?
-
❓ Agar x = 7 va y = −6 ga teng bo'lsa, x − y ning qiymatini toping?
📚 All tests by subject «Matematika»
View all collections and topics in Matematika
Go to subject →
