Answered

Welcome to Westonci.ca, the Q&A platform where your questions are met with detailed answers from experienced experts. Connect with a community of experts ready to provide precise solutions to your questions quickly and accurately. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

Bonjour, je dois faire un exercice de maths pour lundi:
Resoudre les equations produits suivantes:
A.(2x + 1)(4x - 1)=0 C.(3x - 5)(8 - 2x)=0
B.(2x - 9)(-x - 2)=0 D.(10 - 4x) x 7=0

Sagot :

Answer:

A: 8x^2 + 2x - 1

B: 5x - 2x^2 + 18

C: 34x - 6x^2 - 40

D: 70 - 28x

Step-by-step explanation:

A: (2x+1)(4x-1) = 8x^2 - 2x + 4x - 1 = 8x^2 +2x - 1

B: (2x - 9)(-x -2) = -2x^2 -4x + 9x + 18 = 5x - 2x^2 + 18

C: (3x - 5)(8 - 2x) = 24x - 6x^2 - 40 + 10x = 34x-6x^2-40

D: (10-4x) x 7 = 70-28x

We appreciate your time. Please revisit us for more reliable answers to any questions you may have. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Discover more at Westonci.ca. Return for the latest expert answers and updates on various topics.