If it's not what You are looking for type in the equation solver your own equation and let us solve it.
49x^2+64=0
a = 49; b = 0; c = +64;
Δ = b2-4ac
Δ = 02-4·49·64
Δ = -12544
Delta is less than zero, so there is no solution for the equation
| 3x=59x-2)=6(x+4) | | G=7x-8 | | 25=5u+5 | | 3f-12=3(f-5) | | 6(x)-0.12=0.48 | | 4(x-9)=84/7 | | 5-8x=15-8x | | 15+x/5=3 | | 2y-7(6-y)=-15 | | 20−3m=5 | | 13x+2=6x+14 | | -1/2+1/5v=-1/7 | | 52+11t-17=90 | | 87=7x+4x+10 | | (3^x)(5^2x)=4 | | 7x+2=12=5x | | 52+11t-17=90° | | 3(-4-x)=4x+1/3 | | (4x)/3=8 | | -7x-3x+2x+8=48 | | 11/10=h/14 | | 12/10x+43/10=21/10-x | | 2•k+-2.6=12 | | (8x)/7=8 | | 3.5h+71=50 | | x+36-x+5=180 | | 0.4(x)=2 | | -3(1+3b)+5b=25-8b | | 5x-18x=225 | | -19-5/2x=34 | | -8x+9=5x-4 | | 40-x=180 |