Help me out guys.
solve quadratic equation x square plus 3x -28 is equal to zero.
Answers
Answered by
1
Answer:
- x square plus 7x-4x-28
- x(x+7)-4(x+7)
- (x-4)(x+7)
Answered by
0
x2 + 3x - 28
=> a=1 , b = 3 c = 28
ax2 + bx + c = 0
(1)2 + (3)x + 28 = 0
2 + 3x + 28 = 0
3x = 28 - 2
3x = 26
X = 26/3
X = 8.66
Similar questions