Bereken
- \(-4(-5b+1)\)
- \(2(-3xy-2y-1)\)
- \(-2(2p+q-1)\)
- \(4(-x+1)\)
- \(-(3xy-4y-4)\)
- \(+(3xy+4y+4)\)
- \(-(2a-3b+2)\)
- \(-4(5a+2)\)
- \(4(b+2)\)
- \(-4(8c-2)\)
- \(3(-3p-2)\)
- \(-(-6a-1)\)
Bereken
Verbetersleutel
- \(-4(-5b+1)=20b-4\)
- \(2(-3xy-2y-1)=-6xy-4y-2\)
- \(-2(2p+q-1)=-4p-2q+2\)
- \(4(-x+1)=-4x+4\)
- \(-(3xy-4y-4)=-3xy+4y+4\)
- \(+(3xy+4y+4)=3xy+4y+4\)
- \(-(2a-3b+2)=-2a+3b-2\)
- \(-4(5a+2)=-20a-8\)
- \(4(b+2)=4b+8\)
- \(-4(8c-2)=-32c+8\)
- \(3(-3p-2)=-9p-6\)
- \(-(-6a-1)=6a+1\)