If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-300x^1-450x^2=5400
We move all terms to the left:
-300x^1-450x^2-(5400)=0
We do not support expression: x^1
| 26-4=15x+29 | | 6x-4+70+6+11x=180 | | 10=16-n | | 3(6q-9)+7(q+4=5(6q+8)-5(q+1) | | 5g+4=−6 | | y-3-4=-11 | | t=190(1.2)t | | (9x+24)=(12x-3) | | (t)=190(1.2)t | | y=5(4)y | | 15n=225= | | (16x-1)=(15x+5) | | x=35x-130 | | (x)=35x-130 | | 0.07x=14 | | x=80(0.8)x | | 150(3+b)=2400 | | 0=1-2y+14× | | 3x+105-x=4x-12 | | 48+8k=10(k+3) | | 2x+90+5x-15=180 | | (58+x)=(138+x) | | X/2+x+2/3=17 | | 2(24x+8)=22 | | 2x+2x+14=2x+2x+2x+6 | | (13x+3)=(14x-6) | | 9×+4y=-36 | | 180=5x+5+85+50 | | (-4+9x)=(7x+8) | | 3(15n+5)=24 | | (6x-23)=(3x+10) | | 2x2+-3x+-20=0 |