Question

What should be added into 3a2 b + 5b2 to get (– 4 a2 b)?

Answer 1

Answer:

A/Q, 4a²b - 3a²b + 5b²

a²b + 5b²

Answer 2

Step-by-step explanation:

Let the no. be x

x+3a²b+5b²=(-4a²b)

x=-4a²b-3a²b-5b²

x= -7a²b-5b²

So,-7a²b-5b² should be added to 3a2 b + 5b2 to get (– 4 a2 b)

CHECKING

-7a²b-5b²+3a² b + 5b²

=(-4a²b)