\[ \begin{array}{l} =3\left(x^{2}+2 y^{2}\right)-\left[\begin{array}{l} 2 x^{2}+6 x^{3}+6 x y^{2} \\ = \\ =3 x\left(x^{2}+2 y^{2}\right) \end{array} \left\lvert\, \begin{array}{l} 33 a^{2} b-4 a b^{2}+112 b \\ -\frac{1}{2} a b\left(\frac{3}{2} a-2 b b+3\right) \end{array}\right.\right. \\ 411 a b c^{2}-22 a^{2} b+33 a b^{2} d \quad 5 \frac{3}{2} x^{2}+\frac{5}{2} x y-\frac{1}{2} y^{2} \\ =11 a b\left(c^{2}-2 a+3 b d\right)=\frac{1}{2}\left(3 x^{2}+5 x y-y^{2}\right) \\ \text { 6. } 12 a^{3} b^{2} c-16 a^{2} b^{2}+24 a^{4} b^{5} c^{3} \\ =4 a^{2} b^{2}\left(3 a c=4+6 a^{2} b^{3} c^{3}\right) \\ \text { 7. } 13 a^{4} b-26 b a^{3}+39 a^{2} b^{2} \quad \text { \& } 35 a+7 a b-21 a^{2} b+14 a b c \\ \left.=13 a^{2} b(2 a+3 b)^{-2 a+3 b}\right)=7 a(5+b-3 a b+2 b c \end{array} \] \( 94 a b c+16 a b-20 b c+24 a c \quad 10 \cdot 3 a(a+b)-4 b(a+b) \) \[ (a b c+4 a b-5 b c+6 a c)=(a+b)(3 a-4 b) \]
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Beyond the Answer
Did you know that polynomials, like the ones in your equations, date back to ancient civilizations? The Babylonians were solving quadratic equations over 4,000 years ago! They used geometric shapes to represent numbers and developed methods that laid the foundation for algebra as we know it today. Imagine them scribbling equations in the sand—talk about a mathematical legacy! Now, if you ever find yourself tangled in a polynomial puzzle, remember to watch out for common pitfalls! One classic mistake is misapplying the distributive property. Always double-check your distribution - it’s like making sure you didn’t leave out a step in your recipe. When you combine like terms, keep an eye on those coefficients—they can sneak up on you! With a little attention, you’ll turn polynomial problems into cakewalks!
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