\frac{2}{7}(14x^2 - 21y^2)(-5x^2 - 3y^2)
Added by Russell W.
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Step 1
First, let's simplify the expression inside the parentheses: 2(14x^2 - 2ly^2)(-Sx^2 + 5 - 3y^2) = 2(14x^2)(-Sx^2) + 2(14x^2)(5) + 2(14x^2)(-3y^2) - 2ly^2(-Sx^2) + 2ly^2(5) - 2ly^2(-3y^2) = -28Sx^4 + 140x^2 - 84x^2y^2 + 2lSx^2y^2 - 10ly^2 + 6ly^4 Now, let's Show more…
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