Tuesday

March 3, 2015

March 3, 2015

Posted by **emms** on Sunday, November 8, 2009 at 12:59am.

(4x+1)(x+4)=49

- 11th grade -
**drwls**, Sunday, November 8, 2009 at 8:10amRewrite it by multiplying it out, and factor.

4x^2 + 17x -45 = 0.

I don't see any "perfect square" here.

It also does not factor easily. Use the quadratic equation.

x = [-17 +/- sqrt(1009)]/8

x = 1.846 is one of the two solutions

**Answer this Question**

**Related Questions**

math,help - Is this trinomial a perfect square x^2-6x+9 if the trinomial starts ...

math 118 - x^2+10x Add the proper constant to the binomial so tha tthe resulting...

trinomial - I need this answer. Which trinomial is a perfect square trinomial? A...

algebra 2 - find the value of c that makes each trinomial a perfect square. then...

algebra - 1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic ...

Algebra - 1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic ...

algebra 1 - Determine whether each trinomial is a perfect square trinomial. x^2-...

MATH - which following trinomial is a perfect square? A. x^2 + 2x - 3 B. x^2 - ...

Math - this question does not make sense to me. Add the proper constant to the ...

Math - What positive value of b makes 9^2-bx+4 a perfect square trinomial? How ...