Math Problem Statement

Tentukan himpunan penyelesaian dari persamaan kuadrat berikut!

a. x ^ 2 + 4x - 5 = 0

b. x²-6x+8=0

C. x ^ 2 + 7x + 6 = 0

d. 3x314x-5 = 0

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Equations
Factoring
Discriminant
Quadratic Formula

Formulas

Quadratic equation: ax^2 + bx + c = 0
Factoring quadratic expressions
Quadratic formula: x = (-b ± √(b² - 4ac)) / 2a
Discriminant: Δ = b² - 4ac

Theorems

Quadratic Formula
Discriminant Theorem

Suitable Grade Level

Grades 9-11