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Simplifying Algebraic Expressions Simplify by using the distributive property and combining like terms. `(-7x-6)+(-x-4) = `
`(8x+5)-(-7x-6) = `
`(-x-4)+2x = `
`-2(-x-4)+(3x^2-9x+4) = `
`-8x-10`
`15x+11`
`x-4`
`3x^2-7x+12`