C. Remove all grouping symbols and simplify 13. 2x-[(3y + 5x)-(8x-6y)] 14. 4a²-5(a + 3b)-[2(a² + 5b-7a) -(6a-4b)] 15. 6(3x + 4y-52)-2[(7x-8y + 2) - 9y+ 5y] 16. 5[(3a-4b+c)-(2a-6c)]-4(7a-b-3c) 17. 8y-(3y² +4y-7)-[2(7y²+ 6y-9) - (y²-8y +10)]

Q: 2. Write 3x3 – 5x + 7x4 – 9 – x² in standard form. A -9 + 7x4 – 5x + 3x³ – x² B 3x3 – 5x + 7x4 – 9 –…

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Q: Select the expression equivalent to (4x + 3) + (-2x + 4) a) -2x + 12 b) -8x + 12 c) 6x + 7 d) 2x + 7

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Q: Simplify x2 – 9x + 20 x2 + 10x + 21 x² – x – 12 бх + 42

A: To simplify the following expressions .

Q: (9х? + 9 — 3x) — (4 — 6х + 8x?)

A:

Q: 6. Expand and simplify: (3x +2y)4 Show all intermediate steps.

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Q: (4 - 2 5/6 - 5/12) x (7 1/12 - 5 3/4)

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Q: 8(8v-4c-7)

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Q: Simplify (3x³ + 5z − 1) ÷ (x + 1) O 3z² + 3z +8+- O 32³-32² +8z-9 3x³ +3z² +8z+7 O 32²- 3z +8-7271

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Q: Which of the following is equivalent to (5x - 9)(5x + 9)? 10x² – 18 O 25x2-81 25x2-90x-81 25x2+81

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Q: What’s 11w+z-3-4z+6 in simplest form?

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Q: 1. Divide (x³x² - 2x + 2) by (x - 1) 23 k Multiply to check your result. 2x 2 8 1

A: Divide the above question

Q: Polynomial Operations Add polynomials. 1. f(x) = 2x + 5x? -3x +4 g(x) = x°- 2x² -1 f(x) + g(x) =…

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Q: X1 X2 X3 -3X1 = - X2 + X3 = −6 5X3 2X1 + 4X2 - 2×2 + 3X3 X1 7.000 = = 50 = - X1 X2 X3 우 5

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Q: 7. Expand and simplify: (x - 4) (x + 4) + 2(x + 1)2 2x2 + 8x + 17 2x2 – 15 O Option 1 O Option 2 3x2…

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Q: Write 1024x'0 – 3840x³ + 5760x“ – 4320x+ + 1620x² – 243 in the form (a + b)". Show your steps.

A: