Question

30 × (-28)+30×4=(. )×(-28+4)

Answer 1

30 is the answer. I hope it helps

Answer 2

Lhs

30 × -28 = - 840

30 × 4 = 120

- 840 + 120 = - 720

Rhs

assume that x in the ( x )

x × -28 + x × 4

Lhs = Rhs

- 720 = - 28x + 4x

- 720 = - 24x

x = -720/ -24

x = 30