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Basile [38]
3 years ago
12

Consider this Expression.​

Mathematics
2 answers:
MrMuchimi3 years ago
6 0

Answer:

The answer is -4x^2-7x-5

Step-by-step explanation:

Alex Ar [27]3 years ago
3 0

Answer:

Box 1 = -4

Box 2 = -3

Box 3 = -5

Step-by-step explanation:

-4x^{2} + 2x - 5(1 + x)

=> -4x^{2} + 2x - 5 - 5x

=> -4x^{2} + (2x + - 5x) -5

=> -4x^{2} - 3x - 5

This equation can no more be divided / simplified, so,

The answer = -4x^{2} - 3x - 5

So, in the boxes, the answer will be,

Box 1 = -4

Box 2 = -3

Box 3 = -5

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

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What's substitution for y=4x-1;y=2x-5
Makovka662 [10]
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</span></span></span><span>Step: Solve <span>y=<span><span>4x</span>−1 </span></span>for y:
</span><span>Step: Substitute <span><span>4x</span>−1 </span>for y in <span><span>y=<span><span>2x</span>−5</span></span>:
</span></span><span>y=<span><span>2x</span>−5
</span></span><span><span><span>4x</span>−1</span>=<span><span>2x</span>−5
</span></span><span><span><span><span><span>4x</span>−1</span>+<span>−<span>2x</span></span></span>=<span><span><span>2x</span>−5</span>+<span>−<span>2x</span></span></span></span>(Add -2x to both sides)
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</span><span>x=<span>−2
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