We have,
√7−1√7+1−√7+1√7−1=a+b√7
(√7−1)2−(√7+1)2(√7)2−12=a+b√7
7+1−2√7−(7+1+2√7)7−1=a+b√7
7+1−2√7−7−1−2√76=a+b√7
−4√76=a+b√7
a+b√7=0−2√73
Hence, the value of a = 0 and b = −23.
Solve for x: 6(x+5)–4(x+1)=9(x+3)