sherrelgrant24
sherrelgrant24
26-04-2017
Mathematics
contestada
The solutions of 2X^2+5x-12=0 are
Respuesta :
thienan00
thienan00
26-04-2017
2x^2 + 5x - 12=0
2x^2 -3x + 8x -12=0
x(2x-3) + 4(2x-3) =0
(2x-3)(x+4)=0
we have 2x-3=0, so x=1.5
or x+4=0, so x=-4
You're welcome.
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
Равнобедренном треугольнике угол при вершине в 3 раза больше угла при основании.найдите углы треугольника ,если сумма всех углов треугольника равна 180°
A man was killed and a woman was injured in a "targeted" shooting at a Florida mall in the afternoon
locate the position of five glaciers and five lakes on the world?
You have been cycling around Europe with friends and are returning home. Your friend is nervous about catching a ferry from Calais. How likely is it that the
he sent some photos to her change into passive
Pls Help! Function g is a transformation of the parent exponential function. Which statements are true about function g? ( Multiple Select ) 1. The range of F
50 points From the point P(– 2, 4), if PQ is drawn perpendicular to the line 7x – 24 y + 10=0 find the equation of the linePQ. Also, determine the length of PQ.
Please help me with this question...thank you :D
Given Cosa=b-3 and a€(-60°,60°). Find the interval of b assume euro sign represents "an element of" sign The answer is b€(3.5; 4] need solution steps
The scores of 12-students got from one of the open end problems in the exam are over 10 points given below. Calculate the difficulty index of the problem
