Question

0.5. Factorise : 7V2x2 - 10x - 42​

Answer 1

Answer:

28 ( v + 15 )

7V2x2 - 10x - 42 calculate the product --> 28v -10 × ( -42 ) factor out 2 × 14 from the expression -->

2×14 ( v+5×3 ) multiply the numbers --> 28 ( v+5×3 ) --> solution 28 ( v + 15 )