Answer:
-3
Step-by-step explanation:
What is x in this situation?
Answer:
Here is a more clearer version of the same question ;
29 1.2. Constructing Direct Proofs 1. Let a, b, and c be real numbers with a 0. The solutions of the quadratic equation ax 2 + bx + c = 0 are given by the quadratic formula, which states that the solutions are xi and x2. where and x2 2a 2a (a) Prove that the sum of the two solutions of the quadratic equation ax2 + bx + c = 0 is equal to -b/a . (b) Prove that the product of the two solutions of the quadratic equation ax2 + bx + c = 0 is equal to c/a.
The proving of both a) and b) has been done
Step-by-step explanation:
The step by step explanation has been given in the attachment below.
Step-by-step explanation:
Answer:
15cm
Step-by-step explanation:
© the envelope is 15cm rall.
The diagram is not given. I will however write out each polynomial, so that you can select whichever corresponds to your question.
Step-by-step explanation:
(2x + 8)(4x + 8)
= 8x² + 16x + 24x + 64
= 8x² + 40x + 64
= 8(x² + 5x + 8)
(x + 2)(x+4)
= x² + 4x + 2x + 8
= x² + 6x + 8
(x + 1)(x+8)
= x² + 8x + x + 8
= x² + 9x + 8
* (*+ 4x)(2x + 3) NOT CLEAR
