Question

(iv) 8x2 – 22x - 21 = 0; x = 5,
7
2check whether it is a solution or not​

Answer 1

Answer:

tcktjtufntjhrdxbrhxdhrujdtcfhxnnrhxnrfnfxndn

Answer 2

Answer:

ya

Step-by-step explanation:

8x

2

−22x−21=0

8x

2

−28x+6x−21=0

4x(2x−7)+3(2x−7)=0

(4x+3)(2x−7)=0

4x−13=0 or 2x−7=0

4x=−3 or 2x=7

x=−3/4 x=7/2