02-04-2017
Mathematics

contestada

What number should be added to the expression x2 + 12x to change it into a perfect square trinomial? (a.6 ( b.18 (c.12 (d.36

Respuesta :

ghanami ghanami

02-04-2017

hello :
x²+12x =x²+2(6)(x)
= x²+2(6)(x) +6²-6²
= (x-6)² -6²........ (answer : d ; 36)

Answer Link

Otras preguntas

How does mass affect the speed of an object

© 2012 The Exploration Company Which battle took place mainly on land? (5 points) Select one: a. Battle of the Coral Sea b. Battle of Midway c. Battle of the Ph

The answers to these two questions

Who was captured in 1430 by the English and burned at the stake in 1431? Isabelle Philip IV Katherine Joan of Arc

Which sentence uses the italicized vocabulary word correctly? A. The poet paid homage to the evil killer by eulogizing him in an epic poem. B. The instruction

choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

What is i^34? A. -1 B. -¡ C. ¡ D. 1

find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

-7x+8y=-18, 4x-9y=-3 Solve the system of equations

Although a number of things brought about world war one there was one even that push to Europe over the edge. What was that event?