Brightstorm Q & A : how do you solve an equation like this15 x(6-4)2-3(2+1)2

(up) 0 (down)

answer #1

edit

lqez now

(up) 0 (down)

=15 x (2)2-3(3)2=15 x 4 - 18=60-18=42

⚑ Flag

8988

gibby. July 19, 2010

(up) 0 (down)

15 X (6-4)2 - 3(2+1)2 15 X (2)2 - 3(3)2 15 X 4 - 9(2) 60 - 18 42

⚑ Flag

8993

BIGAL July 20, 2010

(up) 0 (down)

using the order of operations

⚑ Flag

9019

Joseline001 July 21, 2010

Flag this because it ...