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(0.4)(x+2)(x+2)(x+2)=0
We multiply parentheses ..
(+0.4x+0.8)(x+2)(x+2)=0
We add all the numbers together, and all the variables
(0.4x+0.8)(x+2)(x+2)=0
We multiply parentheses ..
(+0x^2+0x+0.8x+1.6)(x+2)=0
| 63/p=4 | | -18=-2x-36 | | -x-30+4x-20=90 | | 1.5(x)=2 | | 0.4(x+2)^3=0 | | a/9+4=10 | | 7.50x+25=5x+30 | | 1+3x+9x^2=0 | | 1+3x+9x^2=10 | | 180=65+3x+2x | | 12n+8=6n+16 | | 5m-7=-37 | | 2x/6=8/10 | | 6x+4=–14 | | 308=a-20 | | 2/3x=71/5 | | s*4+18=62 | | 18=(x+2)/2 | | 2/3x=7.20 | | 2(4y+16)=2(7y-17) | | y²=3600 | | |-6b|=18 | | 5=(1+3p) | | 5(x+6)=75x | | (6x+18)°=30° | | 0.12x+0.13x+56+38=180 | | 30-3y+y=6 | | x÷2-4=3 | | -7+y=16 | | 2.5x+3.5=1.5x-4 | | (5x+34)°=154° | | 7x9=49 |