9a^2+49=42a

Simple and best practice solution for 9a^2+49=42a 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 9a^2+49=42a equation:


Simplifying
9a2 + 49 = 42a

Reorder the terms:
49 + 9a2 = 42a

Solving
49 + 9a2 = 42a

Solving for variable 'a'.

Reorder the terms:
49 + -42a + 9a2 = 42a + -42a

Combine like terms: 42a + -42a = 0
49 + -42a + 9a2 = 0

Factor a trinomial.
(7 + -3a)(7 + -3a) = 0

Subproblem 1

Set the factor '(7 + -3a)' equal to zero and attempt to solve: Simplifying 7 + -3a = 0 Solving 7 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3a = 0 + -7 -3a = 0 + -7 Combine like terms: 0 + -7 = -7 -3a = -7 Divide each side by '-3'. a = 2.333333333 Simplifying a = 2.333333333

Subproblem 2

Set the factor '(7 + -3a)' equal to zero and attempt to solve: Simplifying 7 + -3a = 0 Solving 7 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3a = 0 + -7 -3a = 0 + -7 Combine like terms: 0 + -7 = -7 -3a = -7 Divide each side by '-3'. a = 2.333333333 Simplifying a = 2.333333333

Solution

a = {2.333333333, 2.333333333}

See similar equations:

| -9v=-10v-7 | | (3x+5)+(-5x+7)= | | 5(3d+2a-5)= | | 9v=-10v-7 | | 2+4p=2 | | f(x)=x^3-2x^2-2 | | -5(7x-5)+4=35x+29 | | 9g=8g+8 | | 2x-4+3x+10+x= | | 25v^2+64=80v | | ydx+(x+x^2y^3)dy=0 | | 4+7x=-2(7x-2) | | 7+10x+3x^2=equation | | -4b-2=30 | | 21x-4-13x=2(4x-3)+2 | | .12p+250p-.05p=460 | | -w+8=7w | | 6x+y+4=8x | | ln(x/60) | | (2x+y)(x+5y)=0 | | -2y1/2 | | =.5U^2+c | | 5x+6+9y= | | -[4z-(13z+5)]=5+(8z+8) | | 2r^2=4+2r | | B=35-8p | | -8x^2+24x=-80 | | 8x^2+32x-360=0 | | B=35-2p | | s^2+11s+17=s-8 | | 2(-0.5)+y(21)=20 | | 3x+12=4+3x+18 |

Equations solver categories