The first side of the triangle is 6 cm longer than the second side. the third side is 4 cm shorter than the first side. how long is each side if the perimeter of the triangle is 29 cm?
first, one will be awarded

19.5 cm is how long the unknown side is

Step-by-step explanation:

13.5-4=9.5  13.5+6=19.5     19.5+9.5=29

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer