-2(x+4) = -2x-8
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To perform the multiplication of (x + 4)(x + 5), you need to use the distributive property. This means you multiply each term in the first parenthesis by each term in the second parenthesis. (x + 4)(x + 5) = xx + x5 + 4x + 45 Simplify this further to get x^2 + 5x + 4x + 20, which simplifies to x^2 + 9x + 20.
5X + 2X + 7 when X=2 Replace X with 2 (5x2) + (2x2) +7 Work parenthesis first 7 + 4 + 7 Answer 7 + 4 + 7 = 18
y + 12 = -3(x - 2) y + 12 = -3x + 6 y = -3x - 6 or y = -3(x + 2)
y=3x(x+7)^2
x^2/x +2=4/x +2 (x^2/x)-(4/x)=0 (x^2-4)/x=0 x^2-4=0 (x+2)(x-2)=0 x=±2