Question

14xsquare + 9x - 1 factorise the question

Answer 1

14x²+9x-1
= (√14 x)²+2(√14 x)(9/2√14)+(9/2√14)²-(9/2√14)²-1
= (√14 x - 9/2√14)² - 81/56 - 1
= (√14 x - 9/2√14)² - 81-56/56
= (√14 x - 9/2√14)² - 25/56
= (√14 x - 9/2√14)² - (5/√56)²
= (√14 x - 9/2√14+5/√56) (√14 x - 9/2√14-5/√56)

Answer 2

hope it will be help you