1. 14x^2 - 17x - 6 = 0
2. 12x^2 + 11x - 15 = 0
3. x^2 - 3x + 2 = 0
solve using factorisation
Answers
Answered by
1
Answer:
1. 14x²-17x-6=0
14x²-21x+4x-6=0
7x(2x-3) +2(2x-3) =0
(2x-3) (7x+2) =0
=>x=3/2 or -2/7
2. 12x²+11x-15=0
12x²+20x-9x-15=0
4x(3x+5) -3(3x+5) =0
(3x+5) (4x-3) =0
=>x=-5/3 or 3/4
3. x²-3x+2=0
x²-2x-x+2=0
x(x-2) -1(x-2) =0
(x-2) (x-1) =0
=>x=2 or 1
MARK BRAINLEIST
Similar questions