drewwilson07
drewwilson07
04-04-2016
Mathematics
contestada
Factorise and Solve
Respuesta :
Panoyin
Panoyin
04-04-2016
x² + 8x - 20 = 0
x² + 10x - 2x - 20 = 0
x(x) + x(10) - 2(x) - 2(10) = 0
x(x + 10) - 2(x + 10) = 0
(x - 2)(x + 10) = 0
x - 2 = 0 or x + 10 = 0
+ 2 + 2 - 10 - 10
x = 2 or x = -10
The answer is B.
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
evaluate (2/3)^4 enter your answer by filling in the boxes
a ladder 15 feet tall is placed 7 feet from a building that is perpendicular to the ground. how tall is the building?
Find the volume of the larger cuboid using given measurement in smaller one.(cu.cm=cubic centimeter
Solve for x. 5 = 2x − 3
Which sentence best corrects this clause fragment? A lizard jumped on the box. That my father made. A. That my father made a lizard jumped on the box. B. A li
What is true about president wilsons illness in 1918.
What happens when two tectonic plates move away from eachother.
make a list of 5 things that you hope will happen in your life
Madison took her coworkers orders for lunch. Sandwiches cost $12.00 each, and salads cost $8.00. She spent a total of $72.00. If 3 people ordered salads, write
Integers -4-(-7) How would I do this
