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解析 A。4x×2x² = 8x³,4x×(-3x) = -12x²,4x×1 = 4x,所以结果是 8x³ - 12x² + 4x,选 A。B 选项 8x³ + 12x² + 4x 符号错误;C 选项 8x³ - 12x² - 4x 符号错误;D 选项 8x³ + 12x² - 4x 符号错误。
3. Expand and simplify: 5x(3x−2)−4x(2x+3)5x(3x−2)−4x(2x+3)5x(3x−2)−4x(2x+3) 23x2−22x23x2−22x23x2−22x 7x2−57x2−57x2−5 7x2−22x7x2−22x7x2−22x 7x2−2x7x2−2x7x2−2x 4. Expand and simplify: 5(6x−2y)−2(8x...
Simplify :(x−y+2z)2+(2x+y−z)2. View Solution सरल कीजिए - (2x + y) (3x - y + 2z) + (4x - 3y) z View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10,...
Simplifying {eq}\left ( \frac{3x^{-2}y^{4}}{(z^{-3})^{2}} \right )\left ( \frac{\left ( 4y^{\frac{1}{2}}z^{2} \right )^{2}}{4x^{2}z^{8}} \right... Learn more about this topic: Exponent | Definition, Propert...
( x/((3x-8)(x+4))-(8x)/((3x-7)(x+4)))To write ( x/((3x-8)(x+4))) as a fraction with a common denominator, multiply by ( (3x-7)/(3x-7)).( x/((3x-8)(x+4))⋅ (3x-7)/(3x-7)-(8x)/((3x-7)(x+4)))To write ( -(8x)/((3x-7)(x+4)...
Simplify ((3x^(-2) * y^4) / (z^(-3))^2) (((4y^(1/2) z^2)^2) / ((4x^2)(z^8))) giving an answer with no negative exponents. Simplify. Do not use negative exponents in the answer. \frac{9y^{-5{3y^{-11 Simplify the exponential expression. 2^-6 x^-5 y^4 / 2...
Simplify: (3x + 6) over (4x + 12) divided by (x^2 - 4) over (x + 3). Simplify (2x^2 - 5x - 3)/(x^2 - 16) divided by (x^2 - 1)/(2x^2 + 7x - 4). Simplify: 5/(a^2 - 4a + 3) divided by (3/(a...
Simplify. -4x^{2} - 3x - (x - x^{2} + 3) Simplify the given expression. Express answer with positive exponents. \dfrac{\sqrt{2^{6}x^{2}y^{3}{9x^{-6}y^{3 Simplify the expression completely: ({x^2} / 5)^2 Simplify. ((6 - 3)^2 - 2^2)/(5^3 + (3 - 5)^2)...
Expand ( (x^3-1/(4x^3))(x^3-1/(4x^3))) using the FOIL Method. ( x^3x^3+x^3(-1/(4x^3))-1/(4x^3)x^3-1/(4x^3)(-1/(4x^3))) Simplify and combinelike terms. ( x^6-2(1/4)+1/(16x^6)) Simplify each term. ( x^6-1/2+1/(16x^6)) 反馈...