49x^2+42x+9=25

Simple and best practice solution for 49x^2+42x+9=25 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 49x^2+42x+9=25 equation:


Simplifying
49x2 + 42x + 9 = 25

Reorder the terms:
9 + 42x + 49x2 = 25

Solving
9 + 42x + 49x2 = 25

Solving for variable 'x'.

Reorder the terms:
9 + -25 + 42x + 49x2 = 25 + -25

Combine like terms: 9 + -25 = -16
-16 + 42x + 49x2 = 25 + -25

Combine like terms: 25 + -25 = 0
-16 + 42x + 49x2 = 0

Factor a trinomial.
(-8 + -7x)(2 + -7x) = 0

Subproblem 1

Set the factor '(-8 + -7x)' equal to zero and attempt to solve: Simplifying -8 + -7x = 0 Solving -8 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -7x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -7x = 0 + 8 -7x = 0 + 8 Combine like terms: 0 + 8 = 8 -7x = 8 Divide each side by '-7'. x = -1.142857143 Simplifying x = -1.142857143

Subproblem 2

Set the factor '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Solution

x = {-1.142857143, 0.2857142857}

See similar equations:

| 5x^2=n | | y=4x^3-28x+24 | | x^2+12x=15 | | x^2+12=15 | | x^2+-3x=28 | | 10x^2=64 | | 26x^6+8x^5-3x^3+33x-12= | | (26x^6+8x^5-3x^3+33x-12)= | | 3x^3=x | | f(-3)=2x^2-3x+5 | | 7x^6-6x^7=0.75 | | 25y^2-20y+3=0 | | 4x^2+6=2x^2 | | 0.1x-0.05*(2x^2)=1.6x | | x^4-81=0 | | a^2+21a+90=0 | | 0=x^2-16x+8 | | 7x^2-175=0 | | x^2-400=0 | | 6w^2+19w+10=0 | | r^4+5r^3+4=0 | | 3(6a^2bc)= | | 11x^2=7x-4 | | X^2+4x+29=0 | | 6x^2-12=0 | | 4x^2+x-9(x-5)=(2x+5)(2x-9) | | 2x^2+5x+8=6 | | 120=-16t^2+96t+12 | | h=-16t^2+96t+12 | | 5b^2=31b+28 | | n^3-2n^2-n+2=0 | | Z^2-12=-20 |

Equations solver categories