Bytelearn - cat image with glassesAI tutor

Welcome to Bytelearn!

Let’s check out your problem:

Rewrite the expression as a product of four linear factors:

(12x^(2)+11 x)^(2)-20(12x^(2)+11 x)+75
Answer:

Rewrite the expression as a product of four linear factors:\newline(12x2+11x)220(12x2+11x)+75 \left(12 x^{2}+11 x\right)^{2}-20\left(12 x^{2}+11 x\right)+75 \newlineAnswer:

Full solution

Q. Rewrite the expression as a product of four linear factors:\newline(12x2+11x)220(12x2+11x)+75 \left(12 x^{2}+11 x\right)^{2}-20\left(12 x^{2}+11 x\right)+75 \newlineAnswer:
  1. Identify Expression: Let's first identify the expression we need to factor:\newline(12x2+11x)220(12x2+11x)+75(12x^{2}+11x)^{2} - 20(12x^{2}+11x) + 75\newlineThis is a quadratic in form, where the "variable" is (12x2+11x)(12x^2+11x). We can use the factoring method for a quadratic expression, which is generally of the form a22ab+b2=(ab)2a^2 - 2ab + b^2 = (a - b)^2.
  2. Denote Variable: Let's denote A=12x2+11xA = 12x^2 + 11x. Then our expression becomes:\newlineA220A+75A^2 - 20A + 75\newlineNow we need to find two numbers that multiply to 7575 and add up to 20-20. These numbers are 5-5 and 15-15.
  3. Find Multiplying Numbers: We can now rewrite the expression as a squared binomial:\newlineA220A+75=(A5)(A15)A^2 - 20A + 75 = (A - 5)(A - 15)\newlineRemember that A=12x2+11xA = 12x^2 + 11x, so we substitute back in:\newline(12x2+11x5)(12x2+11x15)(12x^2 + 11x - 5)(12x^2 + 11x - 15)
  4. Rewrite as Binomial: Now we need to factor each quadratic expression. We start with the first one:\newline12x2+11x512x^2 + 11x - 5\newlineWe look for two numbers that multiply to 12(5)=6012*(-5) = -60 and add up to 1111. These numbers are 1515 and 4-4.
  5. Factor First Quadratic: We can now factor the first quadratic: 12x2+11x5=(3x1)(4x+5)12x^2 + 11x - 5 = (3x - 1)(4x + 5)
  6. Factor Second Quadratic: Next, we factor the second quadratic:\newline12x2+11x1512x^2 + 11x - 15\newlineWe look for two numbers that multiply to 12(15)=18012*(-15) = -180 and add up to 1111. These numbers are 2020 and 9-9.
  7. Combine Factors: We can now factor the second quadratic: 12x2+11x15=(3x5)(4x+3)12x^2 + 11x - 15 = (3x - 5)(4x + 3)
  8. Combine Factors: We can now factor the second quadratic: \newline12x2+11x15=(3x5)(4x+3)12x^2 + 11x - 15 = (3x - 5)(4x + 3) Finally, we combine the factors of both quadratic expressions to express the original expression as a product of four linear factors: \newline(3x1)(4x+5)(3x5)(4x+3)(3x - 1)(4x + 5)(3x - 5)(4x + 3)

More problems from Find derivatives of using multiple formulae