16. Simplify the following expression using BODMAS: (-7+ {(-8 X 4) + (9 = -3)}] x {(-1) X3 X (-2)}
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Step-by-step explanation:
Correct option is
D
−x4+4x3−x2+xy2
xy2+x3−x[x2−x][2x]+(x−1)x2
We need to follow BODMAS rule.
=> Brackets (parts of a calculation inside brackets always come first).
=> Orders (numbers involving powers or square roots).
=> Division.
=> Multiplication.
=> Addition.
=> Subtraction.
= xy2+x3+[−x3+x2]2x+x3−x2
= xy2+x3−x4+2x3+x3−x2
= xy2+4x3−x4−x2
= −x4+4x3−x2+xy2
i hope help you
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