Wednesday

September 17, 2014

September 17, 2014

Posted by **Mary** on Sunday, April 24, 2011 at 1:04pm.

- Math -
**drwls**, Sunday, April 24, 2011 at 1:24pmSubstitute u = x^2, and solve

25u^2 -15u +2 = 0

(5u -1)(5u-2) = 0

u = 1/5 or 2/5

x = sqrt u

Take it from there.

**Answer this Question**

**Related Questions**

Algebra - Rewrite the middle term as the sum of two terms and then factor ...

math - Solve by elimination 5x+y=2 3x+y=1 This is what I got : 3(5x+y=2) -5(3x+y...

algebra - solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y ...

Algebra - I need help trying to put the correct vocabulary words when solving ...

Math - I can't seem to get the right answer for factoring 15x^3 + 25x^2 - 60x

Algebra - Add polynomials 0.15x^4 + 0.10x^3 - 0.01x^3 + 0.01x^2 + x 1.25x^4 + 0....

Calc again sorry - 4) The graph of y = (x)/(1+25x^2) for x is greater than or ...

Alegbra - factor 25x^2-15x-18

Algebra - Area = 15x^3 + 25x^2 what is the length and width of the rectangle?

Algebra - Area = 15x^3 + 25x^2 what is the length and width of the rectangle?