If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + 70 = 90
Reorder the terms:
70 + 4x2 = 90
Solving
70 + 4x2 = 90
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-70' to each side of the equation.
70 + -70 + 4x2 = 90 + -70
Combine like terms: 70 + -70 = 0
0 + 4x2 = 90 + -70
4x2 = 90 + -70
Combine like terms: 90 + -70 = 20
4x2 = 20
Divide each side by '4'.
x2 = 5
Simplifying
x2 = 5
Take the square root of each side:
x = {-2.236067978, 2.236067978}
| (2w+4)(w)=880 | | 2y+4+3y=-6 | | 8(4a+5b)-3(a+6b)=0 | | y/5-7=-5 | | 5p+2=8+4p | | 7x+12-9x=14-13x+11x-2 | | 700x-8400x^2=0 | | 7*7*n=98 | | 5z+-43=2z+80 | | 3(3x+2)=2x+8 | | 456/5= | | 3x+55=118 | | 6+2t=26 | | 14d=628 | | x=4(-3x+3)+14 | | 3m-(7m+12)=2m-3 | | 4(5x+8)=2x-2 | | 32x=-20 | | (2y+4.5)=62.5 | | 9k-[4k+(-3+2k)]=0 | | 4m^2=36 | | (7y-4)=(8y-18) | | 5(y-6)-4y=-14 | | 4w^2-3w-126=0 | | 2(z-20)+3z=20 | | 5(3x+9)-2=15x+43 | | 3(5x-4)=4x+12 | | 3x+2-1=1x+6-1 | | F(x)=5x*4-6x*2+1 | | 8(q-5)=-2(10+3q) | | 2x+3=2(x-7) | | (10x-2)=(4x-2) |