0
X2 + 13X - 40 = 0
I can't factor this, so the quadratic equation will be used.
X = - b (+/-) sqrt(b2 - 4ac)/2a
a = 1
b = 13
c = - 40
X = - 13 (+/-) sqrt[(132 - 4(1)(- 40)]/2(1)
X = - 13 (+/-) sqrt(169 + 160)/2
X = [- 13 (+/-) sqrt(329)]/2
=========================ugly exact answer
Inexact answers.
X = ~ 2.569
X = ~ - 15.569
What else can I help you with?
What is x2 plus x2 plus x2?
x2 + x2 + x2 = (1 + 1 + 1)x2 = 3x2
What is 3x4 plus 5x3 plus x2 - 5 divided by x 2?
3x4 plus 5x3 plus x2 - 5 divided by x 2 =[(3x4) + (5x3) + (x2 - 5)]/x2 =(12 + 15 + x2 -5)/x2 =(27 - 5 + x2)/x2 =(22 + x2)/x2
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x2 + x2 = 2x2
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x2 + 48x + 320
What does x2 plus x2 equals?
x2 + x2 = 2x2
X plus 4 x plus 2 simplfied?
x4 +x2 =x2 (x2+1)
What is 4x2 plus x2?
4x2 + x2 = 8 + x2
What is the factor of x3 plus x2 plus 4x plus 4?
x3 + x2 + 4x + 4 = (x2 + 4)(x + 1)
X2 plus 26x plus?
(x2 + 26x +) : syntax error.x2 + 26x
What is the answer of x2 plus y3 plus 15?
X2+Y3+15 All you can do is simplify it.
What the answer for This x2-18 plus 81?
x2 + 63
What is the value of X2 plus X?
The answer would be 3x if 'X2' is '2x', but if 'X2' is x2, then the total answer would be x2 + x.
