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Solve the quadratic by factoring.

4x^(2)-13 x+11=-5x+8
Answer: 
x=

Solve the quadratic by factoring.\newline4x213x+11=5x+8 4 x^{2}-13 x+11=-5 x+8 \newlineAnswer: x= x=

Full solution

Q. Solve the quadratic by factoring.\newline4x213x+11=5x+8 4 x^{2}-13 x+11=-5 x+8 \newlineAnswer: x= x=
  1. Move to Standard Form: Write the equation in standard form by moving all terms to one side of the equation.\newline4x213x+11=5x+84x^2 - 13x + 11 = -5x + 8\newlineAdd 5x5x to both sides and subtract 88 from both sides to get:\newline4x213x+5x+118=04x^2 - 13x + 5x + 11 - 8 = 0\newlineCombine like terms:\newline4x28x+3=04x^2 - 8x + 3 = 0
  2. Identify Coefficients: Identify aa, bb, and cc in the quadratic equation ax2+bx+c=0ax^2 + bx + c = 0.\newlineFor the equation 4x28x+3=04x^2 - 8x + 3 = 0:\newlinea=4a = 4\newlineb=8b = -8\newlinec=3c = 3
  3. Find Multiplying Numbers: Find two numbers that multiply to aca*c (43=124*3 = 12) and add up to bb (8-8).\newlineThe two numbers that fit this requirement are 6-6 and 2-2 because:\newline62=12-6 * -2 = 12\newline6+2=8-6 + -2 = -8
  4. Split Middle Term: Rewrite the equation by splitting the middle term using the two numbers found in Step 33.\newline4x26x2x+3=04x^2 - 6x - 2x + 3 = 0\newlineGroup the terms:\newline(4x26x)+(2x+3)=0(4x^2 - 6x) + (-2x + 3) = 0
  5. Factor by Grouping: Factor by grouping.\newlineFrom the first group 4x26x4x^2 - 6x, factor out the greatest common factor, which is 2x2x:\newline2x(2x3)2x(2x - 3)\newlineFrom the second group 2x+3-2x + 3, factor out 1-1:\newline1(2x3)-1(2x - 3)\newlineNow we have:\newline2x(2x3)1(2x3)=02x(2x - 3) - 1(2x - 3) = 0
  6. Factor Common Binomial: Factor out the common binomial factor (2x3)(2x - 3).(2x1)(2x3)=0(2x - 1)(2x - 3) = 0
  7. Set Equal and Solve: Set each factor equal to zero and solve for xx.2x1=02x - 1 = 0 or 2x3=02x - 3 = 0For 2x1=02x - 1 = 0:2x=12x = 1x=12x = \frac{1}{2}For 2x3=02x - 3 = 0:2x=32x = 3x=32x = \frac{3}{2}