SOLUTION: quadratic equation roots are -1 and 2, leading coefficient 4

Question 935861: quadratic equation roots are -1 and 2, leading coefficient 4
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
(x + 1)(x - 2) = 0
xx - 2x + x - 2 = 0
xx - x - 2 = 0
4(xx - x - 2 = 0)
4xx - 4x - 8 = 0
---
Free algebra tutoring live chat:
https://sooeet.com/chat.php?gn=algebra
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations with quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
RELATED QUESTIONS
Write the quadratic equation whose roots are 1 and -4, and whose leading coefficient is 5 (answered by ikleyn)

Write the quadratic equation whose roots are 4 and -1 and whose leading coefficient is 5. (answered by ikleyn)

write the quadratic equation whose roots are -4 and 6, and whose leading coefficient is... (answered by math_tutor2020,bala291)

write a quadratic equation whose roots are -1 and 2 and whose leading coefficient is... (answered by josgarithmetic)

Write the quadratic equation whose roots are -2 and 1 whose leading coefficient is... (answered by ReadingBoosters)

quadratic equation roots are -1 and 2 , coefficient... (answered by stanbon)

The quadratic equation whose roots are 6 and 4, and whose leading coefficient is 1 x... (answered by ikleyn)

How do I write the quadratic equation whose roots are 1 and -3, and whose leading... (answered by ikleyn)

write the quadratic equation whose roots are 3 and -4 and whose leading coefficient is... (answered by MathLover1)