Question

Find the minimum value of:
(a) y = x + 2x + 2
(b)
y = 4x² - 16x + 15​

Answer 1

Thanks for question ...

Solution.

4x²-16x+15

4x²-10x-6x+15

2x(2x-5)-3(2x-5)

(2x-5)(2x-3)

2x-5=0

2x=5 2x=3

x=5/2 x=3/2

Hopes its helps u ☺️✌️