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Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25