79-82 - Rationalize Put each fractional expression into stan- dard form by rationalizing the denominator. (b) VỆ -79. (а) (c) 12 80. (a) (b) VE (c) 81. (a) 5x (b) (c) 82. (a) (b) (c) 31 IN

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A: 52x-4=40 then 10x-20=40

Q: rationalizing the denominator.

A: Given:

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Q: 8. Kanishan is trying to understand the following problem. 2x(x² – 3x) – 4(x³ + 2x²). His friend…

A: To simplify the below expression fully: 2x(x2-3x)-4(x4+2x2)

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Q: If 5(2x - 4) = 40, then 10x - 20 = 40

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A: (a)  9122=912×912=912+12=91=9