Web由于无法定义除以零，因此变量 x 不能等于任意以下值: 0,4。 将公式两边同时乘以 x\left(x-4\right) 的最小公倍数 x-4,x^{2}-4x。 WebSolve an equation, inequality or a system. Example: 2x-1=y,2y+3=x. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0., < > ≤: ≥ ^ √: ⬅: : F _ ÷ (* / ⌫ A: ↻: x: y = +-G

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WebThis gives 4x+20. Now we put both these parts together to give x^2+5x+4x+20.The final part is to simplify x^2+5x+4x+20. The only parts we can do this with is the ones with the … WebDec 19, 2015 · How do you expand #(x+4)^4#? Precalculus. 1 Answer mason m Dec 19, 2015 #x^4+16x^3+96x^2+256x+256# Explanation: The fourth row of Pascal's triangle is #1,4,6,4,1# Therefore, #(a+b)^4=a^4+4a^3b+6a^2b^2+4ab^3+b^4# This can be applied as follows: #(x+4)^4=(x)^4+4(x)^3(4)+6(x)^2(4)^2+4(x)(4)^3+(4)^4# ... WebTo simplify an expression with fractions find a common denominator and then combine the numerators. If the numerator and denominator of the resulting fraction are both divisible by the same number, simplify the fraction by dividing both by that number. Simplify any resulting mixed numbers. i remove a printer how to get it back