How do you Simplify this expression in algebra? 9x + 2x (5 + 4) - 2(5x + 4x)
1 answer:
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Answer:
QT = 16
Step-by-step explanation:
ΔQRS ~ ΔQRT
In similar triangles, corresponding angles are in same ratio.
Cross multiply,
QT * 25 = 20 * 20
Check the picture below.
notice, when dividing we have to put the dividend in descending order, now, the cubic, square and single terms are there, but they have a coefficient of 0, as you see in the picture in green, so we add those properly.
