-2X ? 14- 3x - 7
I am assuming you left something out so I put the question mark in.
If it is -2X + 14 - 3x - 7
-Combine like terms
-2x - 3x + 14 - 7
-5x + 7
DONE
If it is -2X - 14 - 3x - 7
-Combine like terms
-2X - 3X - 14 - 7
-5X - 21
DONE
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4x2+28x+49 = (2x+7)(2x+7) when factored
-5
Simplifying 4x + -5 = 2x + 7 Reorder the terms: -5 + 4x = 2x + 7 Solving -5 + 4x = 7 + 2x Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. -5 + 4x + -2x = 7 + 2x + -2x Combine like terms: 4x + -2x = 2x -5 + 2x = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 -5 + 2x = 7 + 0 -5 + 2x = 7 Add '5' to each side of the equation. -5 + 5 + 2x = 7 + 5 Combine like terms: -5 + 5 = 0 0 + 2x = 7 + 5 2x = 7 + 5 Combine like terms: 7 + 5 = 12 2x = 12 Divide each side by '2'. x = 6 (your answer)
f(x)= (x-7) /(-2x+7)(2x+5) set -2x+7=0 -2x=-7 x=7/2 set 2x+5=0 2x=-5 x=-5/2 x=7/2 and x=-5/2 are vertical asymptotes.
4x - 7 = 2x + 5 2x - 7 = 5 2x = 12 x = 6.