Math, asked by sunilagrawalytl, 13 days ago

Simplify 4x(7x²+15) and find the value for X=-1​

Answers

Answered by anushkatarasia
0

Step-by-step explanation:

4x(7x²+15)

= 4×1((7×1²)+15)

=4(7²+15)

=4(49+15)

=4(64)

=4×64

=256

HOPE IT HELP YOU

Answered by amaanantisocial
4

Step-by-step explanation:

given equation is,

4x( 7x² + 15)

28x³ + 60x ---( 1 )

now,

putting X = -1 in eqn ( 1 )

28(-1 )³ +60(-1 )

- 28 - 60

= -88 ans

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