WebIn algebra, a quadratic equation (from Latin quadratus 'square') is any equation that can be rearranged in standard form as where x represents an unknown value, and a, b, and c … Web2x2-4x+5=6 Two solutions were found : x =(4-√24)/4=1-1/2√ 6 = -0.225 x =(4+√24)/4=1+1/2√ 6 = 2.225 Rearrange: Rearrange the equation by subtracting what is …
How do you multiply #(4x^2-7x-1)(6x^2+x-7)#? - Socratic.org
WebUse long division to divide 4x3+9x-12 by 2x-1 b. Write your answer in quotient form. A: We have to perform the long division Q: Use the values a = 1 and b= 2 to show that there is no commutative property of division, a ÷b=b÷a. A: Click to see the answer Q: Find the area of the rectangle below 3xy 8x² A: Click to see the answer Web28 iun. 2024 · How do you multiply (2x + 4)(3x2 − 5x + 7) ? Algebra Polynomials and Factoring Multiplication of Polynomials by Binomials 1 Answer Harish Chandra Rajpoot Jun 28, 2024 6x3 + 2x2 − 6x + 28 Explanation: (2x +4)(3x2 −5x +7) = 2x(3x2 − 5x + 7) +4(3x2 − 5x + 7) = 6x3 − 10x2 + 14x + 12x2 − 20x +28 = 6x3 + 2x2 − 6x + 28 Answer link nasal structure that humidifies
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Web15 iun. 2024 · Explanation: This problem can be rewritten as: What is: (4x + 5)2 This is a special form of the quadratic which can be expanded using the rule: (x +y)2 = (x + y)(x +y) = x2 + 2xy +y2 Substitute 4x for x and 5 for y gives: (4 +5)2 = (4 +5)(4 +5) = (4x)2 + (2 ⋅ 4x ⋅ 5) + 52 = 16x2 + 40x + 25 Answer link WebMultiply 4 4 by 4 4. 16 5⋅5 16 5 ⋅ 5. Multiply 5 5 by 5 5. 16 25 16 25. The result can be shown in multiple forms. Exact Form: 16 25 16 25. Decimal Form: 0.64 0.64. Web23 mar. 2024 · Ex 9.4, 1 Multiply the binomials. (i) (2𝑥 + 5) and (4𝑥 – 3) (2𝑥+5) (4𝑥−3) = 2𝑥 (4𝑥−3)+5 (4𝑥−3) = (2𝑥×4𝑥)− (2𝑥×3)+ (5×4𝑥)− (5×3) = 8𝑥^2−6𝑥+20𝑥−15 = 𝟖𝒙^𝟐+𝟏𝟒𝒙−𝟏𝟓 Next: Ex 9.4, 1 (ii) → Ask a doubt Chapter 9 Class 8 Algebraic Expressions and Identities Serial order wise Ex 9.4 nasal strips to help breathing