Question

pliz pliz solve it both

Answer 1

hey..

6.

x^2 + x - 6 = 0
x^2 + 3x - 2x - 6 = 0
x(x + 3) - 2(x + 3) = 0
(x - 2)(x + 3) = 0

x -2 = 0 | x + 3 = 0
x = 2 | x = -3

7.

5y + 5y + 2y = 180
12y = 180
y = 180/12
y = 15

Answer 2

hope its helpful.........